20698810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{188171}}^1$

素因数の和:188189

約数の個数: 16

約数和(自身を含む): 40645152

約数和(自身を除く): 19946342

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 188171, 376342, 940855, 1881710, 2069881, 4139762, 10349405, 20698810]

約数ペア:

[(1, 20698810), (2, 10349405), (5, 4139762), (10, 2069881), (11, 1881710), (22, 940855), (55, 376342), (110, 188171)]