15767620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71671}}^1$

素因数の和:71691

約数の個数: 24

約数和(自身を含む): 36122688

約数和(自身を除く): 20355068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 71671, 143342, 286684, 358355, 716710, 788381, 1433420, 1576762, 3153524, 3941905, 7883810, 15767620]

約数ペア:

[(1, 15767620), (2, 7883810), (4, 3941905), (5, 3153524), (10, 1576762), (11, 1433420), (20, 788381), (22, 716710), (44, 358355), (55, 286684), (110, 143342), (220, 71671)]