20069620

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1637}}^1$

素因数の和:2259

約数の個数: 24

約数和(自身を含む): 42240744

約数和(自身を除く): 22171124

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 1637, 2452, 3065, 3274, 6130, 6548, 8185, 12260, 16370, 32740, 1003481, 2006962, 4013924, 5017405, 10034810, 20069620]

約数ペア:

[(1, 20069620), (2, 10034810), (4, 5017405), (5, 4013924), (10, 2006962), (20, 1003481), (613, 32740), (1226, 16370), (1637, 12260), (2452, 8185), (3065, 6548), (3274, 6130)]