20137869

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{12227}}^1$

素因数の和:12297

約数の個数: 16

約数和(自身を含む): 30325440

約数和(自身を除く): 10187571

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 12227, 36681, 110043, 330129, 745847, 2237541, 6712623, 20137869]

約数ペア:

[(1, 20137869), (3, 6712623), (9, 2237541), (27, 745847), (61, 330129), (183, 110043), (549, 36681), (1647, 12227)]