20145171669

素因数分解:

$3^1\times 7^1\times {\mathrm{3319}}^1\times {\mathrm{289031}}^1$

素因数の和:292360

約数の個数: 16

約数和(自身を含む): 30706759680

約数和(自身を除く): 10561588011

約数列:

[1, 3, 7, 21, 3319, 9957, 23233, 69699, 289031, 867093, 2023217, 6069651, 959293889, 2877881667, 6715057223, 20145171669]

約数ペア:

[(1, 20145171669), (3, 6715057223), (7, 2877881667), (21, 959293889), (3319, 6069651), (9957, 2023217), (23233, 867093), (69699, 289031)]