20487920612

素因数分解:

$2^2\times {\mathrm{10259}}^1\times {\mathrm{499267}}^1$

素因数の和:509530

約数の個数: 12

約数和(自身を含む): 35857427760

約数和(自身を除く): 15369507148

約数列:

[1, 2, 4, 10259, 20518, 41036, 499267, 998534, 1997068, 5121980153, 10243960306, 20487920612]

約数ペア:

[(1, 20487920612), (2, 10243960306), (4, 5121980153), (10259, 1997068), (20518, 998534), (41036, 499267)]