1915032020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8704691}}^1$

素因数の和:8704711

約数の個数: 24

約数和(自身を含む): 4387164768

約数和(自身を除く): 2472132748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 8704691, 17409382, 34818764, 43523455, 87046910, 95751601, 174093820, 191503202, 383006404, 478758005, 957516010, 1915032020]

約数ペア:

[(1, 1915032020), (2, 957516010), (4, 478758005), (5, 383006404), (10, 191503202), (11, 174093820), (20, 95751601), (22, 87046910), (44, 43523455), (55, 34818764), (110, 17409382), (220, 8704691)]