20158767

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{8389}}^1$

素因数の和:8487

約数の個数: 16

約数和(自身を含む): 30204000

約数和(自身を除く): 10045233

約数列:

[1, 3, 9, 27, 89, 267, 801, 2403, 8389, 25167, 75501, 226503, 746621, 2239863, 6719589, 20158767]

約数ペア:

[(1, 20158767), (3, 6719589), (9, 2239863), (27, 746621), (89, 226503), (267, 75501), (801, 25167), (2403, 8389)]