20178076820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91718531}}^1$

素因数の和:91718551

約数の個数: 24

約数和(自身を含む): 46226140128

約数和(自身を除く): 26048063308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 91718531, 183437062, 366874124, 458592655, 917185310, 1008903841, 1834370620, 2017807682, 4035615364, 5044519205, 10089038410, 20178076820]

約数ペア:

[(1, 20178076820), (2, 10089038410), (4, 5044519205), (5, 4035615364), (10, 2017807682), (11, 1834370620), (20, 1008903841), (22, 917185310), (44, 458592655), (55, 366874124), (110, 183437062), (220, 91718531)]