20698626

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1009}}^1$

素因数の和:1290

約数の個数: 32

約数和(自身を含む): 44795520

約数和(自身を除く): 24096894

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 263, 526, 789, 1009, 1578, 2018, 3027, 3419, 6054, 6838, 10257, 13117, 20514, 26234, 39351, 78702, 265367, 530734, 796101, 1592202, 3449771, 6899542, 10349313, 20698626]

約数ペア:

[(1, 20698626), (2, 10349313), (3, 6899542), (6, 3449771), (13, 1592202), (26, 796101), (39, 530734), (78, 265367), (263, 78702), (526, 39351), (789, 26234), (1009, 20514), (1578, 13117), (2018, 10257), (3027, 6838), (3419, 6054)]