20464130

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47591}}^1$

素因数の和:47641

約数の個数: 16

約数和(自身を含む): 37692864

約数和(自身を除く): 17228734

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 47591, 95182, 237955, 475910, 2046413, 4092826, 10232065, 20464130]

約数ペア:

[(1, 20464130), (2, 10232065), (5, 4092826), (10, 2046413), (43, 475910), (86, 237955), (215, 95182), (430, 47591)]