20181020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24611}}^1$

素因数の和:24661

約数の個数: 24

約数和(自身を含む): 43415568

約数和(自身を除く): 23234548

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24611, 49222, 98444, 123055, 246110, 492220, 1009051, 2018102, 4036204, 5045255, 10090510, 20181020]

約数ペア:

[(1, 20181020), (2, 10090510), (4, 5045255), (5, 4036204), (10, 2018102), (20, 1009051), (41, 492220), (82, 246110), (164, 123055), (205, 98444), (410, 49222), (820, 24611)]