20154877684

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{2161}}^1\times {\mathrm{122719}}^1$

素因数の和:124903

約数の個数: 24

約数和(自身を含む): 37144889600

約数和(自身を除く): 16990011916

約数列:

[1, 2, 4, 19, 38, 76, 2161, 4322, 8644, 41059, 82118, 122719, 164236, 245438, 490876, 2331661, 4663322, 9326644, 265195759, 530391518, 1060783036, 5038719421, 10077438842, 20154877684]

約数ペア:

[(1, 20154877684), (2, 10077438842), (4, 5038719421), (19, 1060783036), (38, 530391518), (76, 265195759), (2161, 9326644), (4322, 4663322), (8644, 2331661), (41059, 490876), (82118, 245438), (122719, 164236)]