20165728233

素因数分解:

$3^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1909091}}^1$

素因数の和:1909604

約数の個数: 16

約数和(自身を含む): 30789835776

約数和(自身を除く): 10624107543

約数列:

[1, 3, 7, 21, 503, 1509, 3521, 10563, 1909091, 5727273, 13363637, 40090911, 960272773, 2880818319, 6721909411, 20165728233]

約数ペア:

[(1, 20165728233), (3, 6721909411), (7, 2880818319), (21, 960272773), (503, 40090911), (1509, 13363637), (3521, 5727273), (10563, 1909091)]