20837799

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:575

約数の個数: 24

約数和(自身を含む): 31122000

約数和(自身を除く): 10284201

約数列:

[1, 3, 9, 41, 123, 149, 369, 379, 447, 1137, 1341, 3411, 6109, 15539, 18327, 46617, 54981, 56471, 139851, 169413, 508239, 2315311, 6945933, 20837799]

約数ペア:

[(1, 20837799), (3, 6945933), (9, 2315311), (41, 508239), (123, 169413), (149, 139851), (369, 56471), (379, 54981), (447, 46617), (1137, 18327), (1341, 15539), (3411, 6109)]