20351261

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9001}}^1$

素因数の和:9044

約数の個数: 16

約数和(自身を含む): 25925760

約数和(自身を除く): 5574499

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 9001, 63007, 153017, 171019, 1071119, 1197133, 2907323, 20351261]

約数ペア:

[(1, 20351261), (7, 2907323), (17, 1197133), (19, 1071119), (119, 171019), (133, 153017), (323, 63007), (2261, 9001)]