22210220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15641}}^1$

素因数の和:15721

約数の個数: 24

約数和(自身を含む): 47301408

約数和(自身を除く): 25091188

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 15641, 31282, 62564, 78205, 156410, 312820, 1110511, 2221022, 4442044, 5552555, 11105110, 22210220]

約数ペア:

[(1, 22210220), (2, 11105110), (4, 5552555), (5, 4442044), (10, 2221022), (20, 1110511), (71, 312820), (142, 156410), (284, 78205), (355, 62564), (710, 31282), (1420, 15641)]