20861258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{3049}}^1$

素因数の和:3373

約数の個数: 16

約数和(自身を含む): 34257600

約数和(自身を除く): 13396342

約数列:

[1, 2, 11, 22, 311, 622, 3049, 3421, 6098, 6842, 33539, 67078, 948239, 1896478, 10430629, 20861258]

約数ペア:

[(1, 20861258), (2, 10430629), (11, 1896478), (22, 948239), (311, 67078), (622, 33539), (3049, 6842), (3421, 6098)]