201808820

素因数分解:

$2^2\times 5^1\times {\mathrm{10090441}}^1$

素因数の和:10090450

約数の個数: 12

約数和(自身を含む): 423798564

約数和(自身を除く): 221989744

約数列:

[1, 2, 4, 5, 10, 20, 10090441, 20180882, 40361764, 50452205, 100904410, 201808820]

約数ペア:

[(1, 201808820), (2, 100904410), (4, 50452205), (5, 40361764), (10, 20180882), (20, 10090441)]