16220945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1531}}^1$

素因数の和:1712

約数の個数: 16

約数和(自身を含む): 21104832

約数和(自身を除く): 4883887

約数列:

[1, 5, 13, 65, 163, 815, 1531, 2119, 7655, 10595, 19903, 99515, 249553, 1247765, 3244189, 16220945]

約数ペア:

[(1, 16220945), (5, 3244189), (13, 1247765), (65, 249553), (163, 99515), (815, 19903), (1531, 10595), (2119, 7655)]