20077180

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{1627}}^1$

素因数の和:2253

約数の個数: 24

約数和(自身を含む): 42256368

約数和(自身を除く): 22179188

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 1627, 2468, 3085, 3254, 6170, 6508, 8135, 12340, 16270, 32540, 1003859, 2007718, 4015436, 5019295, 10038590, 20077180]

約数ペア:

[(1, 20077180), (2, 10038590), (4, 5019295), (5, 4015436), (10, 2007718), (20, 1003859), (617, 32540), (1234, 16270), (1627, 12340), (2468, 8135), (3085, 6508), (3254, 6170)]