20936695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{383}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 28094976

約数和(自身を除く): 7158281

約数列:

[1, 5, 13, 29, 65, 145, 377, 383, 841, 1885, 1915, 4205, 4979, 10933, 11107, 24895, 54665, 55535, 144391, 322103, 721955, 1610515, 4187339, 20936695]

約数ペア:

[(1, 20936695), (5, 4187339), (13, 1610515), (29, 721955), (65, 322103), (145, 144391), (377, 55535), (383, 54665), (841, 24895), (1885, 11107), (1915, 10933), (4205, 4979)]