20471794

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63577}}^1$

素因数の和:63609

約数の個数: 16

約数和(自身を含む): 36620928

約数和(自身を除く): 16149134

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 63577, 127154, 445039, 890078, 1462271, 2924542, 10235897, 20471794]

約数ペア:

[(1, 20471794), (2, 10235897), (7, 2924542), (14, 1462271), (23, 890078), (46, 445039), (161, 127154), (322, 63577)]