Question

divisores de 12 e 20

Answer 1

12 --> (1,2,3,4,6,12) 
20 --> (1,2,4,5,10,20)

Answer 2

D- (12)= 1 , 2 , 3 , 4 , 6 e 12.
D - (20) = 1 , 2 , 4 , 5, 10 e 20.

Divisores comuns entre 12 e 20:

1 , 2 e 4.