641672020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2916691}}^1$

素因数の和:2916711

約数の個数: 24

約数和(自身を含む): 1470012768

約数和(自身を除く): 828340748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2916691, 5833382, 11666764, 14583455, 29166910, 32083601, 58333820, 64167202, 128334404, 160418005, 320836010, 641672020]

約数ペア:

[(1, 641672020), (2, 320836010), (4, 160418005), (5, 128334404), (10, 64167202), (11, 58333820), (20, 32083601), (22, 29166910), (44, 14583455), (55, 11666764), (110, 5833382), (220, 2916691)]