853820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3881}}^1$

素因数の和:3901

約数の個数: 24

約数和(自身を含む): 1956528

約数和(自身を除く): 1102708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3881, 7762, 15524, 19405, 38810, 42691, 77620, 85382, 170764, 213455, 426910, 853820]

約数ペア:

[(1, 853820), (2, 426910), (4, 213455), (5, 170764), (10, 85382), (11, 77620), (20, 42691), (22, 38810), (44, 19405), (55, 15524), (110, 7762), (220, 3881)]