20415671163

素因数分解:

$3^4\times {\mathrm{907}}^1\times {\mathrm{277889}}^1$

素因数の和:278808

約数の個数: 20

約数和(自身を含む): 30531218520

約数和(自身を除く): 10115547357

約数列:

[1, 3, 9, 27, 81, 907, 2721, 8163, 24489, 73467, 277889, 833667, 2501001, 7503003, 22509009, 252045323, 756135969, 2268407907, 6805223721, 20415671163]

約数ペア:

[(1, 20415671163), (3, 6805223721), (9, 2268407907), (27, 756135969), (81, 252045323), (907, 22509009), (2721, 7503003), (8163, 2501001), (24489, 833667), (73467, 277889)]