Question

Number which is equal to sum of their somw factors

Answer 1

may be 0*0=0
0+0 =0
2*2=4
2+2=4

Answer 2

hola ...
here is your answer ...

$<b><i> 6 is the number Which is equal to sum of their common factors</b></i>$

factors of 6 = 1×2×3 ➡=1+2+3=6