Respostas

2014-05-15T11:12:30-03:00
1,2,4,5,10 e 20 são os multiplos
2014-05-15T11:13:06-03:00
20 | 2
10 | 2
05 | 5
01 | 2² x 5 -> 2 x 2 x 5 -> 4 x 5= 20
--------------------------------------------------
Múltiplos: 2, 4, 5, 10, 20.