20126259

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{5441}}^1$

素因数の和:5587

約数の個数: 16

約数和(自身を含む): 30039840

約数和(自身を除く): 9913581

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 5441, 16323, 48969, 146907, 745417, 2236251, 6708753, 20126259]

約数ペア:

[(1, 20126259), (3, 6708753), (9, 2236251), (27, 745417), (137, 146907), (411, 48969), (1233, 16323), (3699, 5441)]