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Problem # 12 : Amicable numbers
A pair of numbers (a b) are amicable if - The sum of the factors of 'a' (excluding 1 and including 'a') is equal to 'b' and the sum of the factors of 'b' is equal to 'a'
Write a function AMICABLE(A B) which returns -1 (true) if A and B are amicable and 0 (false) otherwise
Sample Output
AMICABLE(220
284) returns -1
AMICABLE(6
6) returns -1
AMICABLE(28
28) returns -1
AMICABLE(12
4) returns 0
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