20112169

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1753}}^1$

素因数の和:1920

約数の個数: 16

約数和(自身を含む): 25257600

約数和(自身を除く): 5145431

約数列:

[1, 7, 11, 77, 149, 1043, 1639, 1753, 11473, 12271, 19283, 134981, 261197, 1828379, 2873167, 20112169]

約数ペア:

[(1, 20112169), (7, 2873167), (11, 1828379), (77, 261197), (149, 134981), (1043, 19283), (1639, 12271), (1753, 11473)]