20252005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{7351}}^1$

素因数の和:7404

約数の個数: 16

約数和(自身を含む): 26467200

約数和(自身を除く): 6215195

約数列:

[1, 5, 19, 29, 95, 145, 551, 2755, 7351, 36755, 139669, 213179, 698345, 1065895, 4050401, 20252005]

約数ペア:

[(1, 20252005), (5, 4050401), (19, 1065895), (29, 698345), (95, 213179), (145, 139669), (551, 36755), (2755, 7351)]