20810526

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4441}}^1$

素因数の和:4528

約数の個数: 32

約数和(自身を含む): 46054656

約数和(自身を除く): 25244130

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 142, 213, 426, 781, 1562, 2343, 4441, 4686, 8882, 13323, 26646, 48851, 97702, 146553, 293106, 315311, 630622, 945933, 1891866, 3468421, 6936842, 10405263, 20810526]

約数ペア:

[(1, 20810526), (2, 10405263), (3, 6936842), (6, 3468421), (11, 1891866), (22, 945933), (33, 630622), (66, 315311), (71, 293106), (142, 146553), (213, 97702), (426, 48851), (781, 26646), (1562, 13323), (2343, 8882), (4441, 4686)]