920890580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1070803}}^1$

素因数の和:1070855

約数の個数: 24

約数和(自身を含む): 1978845792

約数和(自身を除く): 1057955212

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1070803, 2141606, 4283212, 5354015, 10708030, 21416060, 46044529, 92089058, 184178116, 230222645, 460445290, 920890580]

約数ペア:

[(1, 920890580), (2, 460445290), (4, 230222645), (5, 184178116), (10, 92089058), (20, 46044529), (43, 21416060), (86, 10708030), (172, 5354015), (215, 4283212), (430, 2141606), (860, 1070803)]