20196655

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{569}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 25171200

約数和(自身を除く): 4974545

約数列:

[1, 5, 31, 155, 229, 569, 1145, 2845, 7099, 17639, 35495, 88195, 130301, 651505, 4039331, 20196655]

約数ペア:

[(1, 20196655), (5, 4039331), (31, 651505), (155, 130301), (229, 88195), (569, 35495), (1145, 17639), (2845, 7099)]