30972020

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{3449}}^1$

素因数の和:3907

約数の個数: 24

約数和(自身を含む): 65205000

約数和(自身を除く): 34232980

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 3449, 4490, 6898, 8980, 13796, 17245, 34490, 68980, 1548601, 3097202, 6194404, 7743005, 15486010, 30972020]

約数ペア:

[(1, 30972020), (2, 15486010), (4, 7743005), (5, 6194404), (10, 3097202), (20, 1548601), (449, 68980), (898, 34490), (1796, 17245), (2245, 13796), (3449, 8980), (4490, 6898)]