9805220

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{941}}^1$

素因数の和:1471

約数の個数: 24

約数和(自身を含む): 20652408

約数和(自身を除く): 10847188

約数列:

[1, 2, 4, 5, 10, 20, 521, 941, 1042, 1882, 2084, 2605, 3764, 4705, 5210, 9410, 10420, 18820, 490261, 980522, 1961044, 2451305, 4902610, 9805220]

約数ペア:

[(1, 9805220), (2, 4902610), (4, 2451305), (5, 1961044), (10, 980522), (20, 490261), (521, 18820), (941, 10420), (1042, 9410), (1882, 5210), (2084, 4705), (2605, 3764)]