Question

SUMA DIVIZORILOR LUI 20 ESTEV egala cu................

Answer 1

$D_{20}$ = { 1, 2, 4, 5, 10, 20 }

Suma lor : 1 + 2 + 4 + 5 + 10 + 20 = 42

Answer 2

10+2+1+20+4+5=42
Poftim