20925023

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1201}}^1$

素因数の和:1358

約数の個数: 16

約数和(自身を含む): 25386240

約数和(自身を除く): 4461217

約数列:

[1, 7, 19, 131, 133, 917, 1201, 2489, 8407, 17423, 22819, 157331, 159733, 1101317, 2989289, 20925023]

約数ペア:

[(1, 20925023), (7, 2989289), (19, 1101317), (131, 159733), (133, 157331), (917, 22819), (1201, 17423), (2489, 8407)]