20215797

素因数分解:

$3^1\times 7^1\times {\mathrm{811}}^1\times {\mathrm{1187}}^1$

素因数の和:2008

約数の個数: 16

約数和(自身を含む): 30868992

約数和(自身を除く): 10653195

約数列:

[1, 3, 7, 21, 811, 1187, 2433, 3561, 5677, 8309, 17031, 24927, 962657, 2887971, 6738599, 20215797]

約数ペア:

[(1, 20215797), (3, 6738599), (7, 2887971), (21, 962657), (811, 24927), (1187, 17031), (2433, 8309), (3561, 5677)]