20182141820

素因数分解:

$2^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1145411}}^1$

素因数の和:1146301

約数の個数: 24

約数和(自身を含む): 42430642128

約数和(自身を除く): 22248500308

約数列:

[1, 2, 4, 5, 10, 20, 881, 1762, 3524, 4405, 8810, 17620, 1145411, 2290822, 4581644, 5727055, 11454110, 22908220, 1009107091, 2018214182, 4036428364, 5045535455, 10091070910, 20182141820]

約数ペア:

[(1, 20182141820), (2, 10091070910), (4, 5045535455), (5, 4036428364), (10, 2018214182), (20, 1009107091), (881, 22908220), (1762, 11454110), (3524, 5727055), (4405, 4581644), (8810, 2290822), (17620, 1145411)]