3911132020

素因数分解:

$2^2\times 5^1\times {\mathrm{195556601}}^1$

素因数の和:195556610

約数の個数: 12

約数和(自身を含む): 8213377284

約数和(自身を除く): 4302245264

約数列:

[1, 2, 4, 5, 10, 20, 195556601, 391113202, 782226404, 977783005, 1955566010, 3911132020]

約数ペア:

[(1, 3911132020), (2, 1955566010), (4, 977783005), (5, 782226404), (10, 391113202), (20, 195556601)]