20808297

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 30888000

約数和(自身を除く): 10079703

約数列:

[1, 3, 9, 59, 149, 177, 263, 447, 531, 789, 1341, 2367, 8791, 15517, 26373, 39187, 46551, 79119, 117561, 139653, 352683, 2312033, 6936099, 20808297]

約数ペア:

[(1, 20808297), (3, 6936099), (9, 2312033), (59, 352683), (149, 139653), (177, 117561), (263, 79119), (447, 46551), (531, 39187), (789, 26373), (1341, 15517), (2367, 8791)]