20054515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{10639}}^1$

素因数の和:10686

約数の個数: 16

約数和(自身を含む): 26812800

約数和(自身を除く): 6758285

約数列:

[1, 5, 13, 29, 65, 145, 377, 1885, 10639, 53195, 138307, 308531, 691535, 1542655, 4010903, 20054515]

約数ペア:

[(1, 20054515), (5, 4010903), (13, 1542655), (29, 691535), (65, 308531), (145, 138307), (377, 53195), (1885, 10639)]