20209797

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{7411}}^1$

素因数の和:7521

約数の個数: 16

約数和(自身を含む): 30240960

約数和(自身を除く): 10031163

約数列:

[1, 3, 9, 27, 101, 303, 909, 2727, 7411, 22233, 66699, 200097, 748511, 2245533, 6736599, 20209797]

約数ペア:

[(1, 20209797), (3, 6736599), (9, 2245533), (27, 748511), (101, 200097), (303, 66699), (909, 22233), (2727, 7411)]