20179690

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{11149}}^1$

素因数の和:11337

約数の個数: 16

約数和(自身を含む): 36527400

約数和(自身を除く): 16347710

約数列:

[1, 2, 5, 10, 181, 362, 905, 1810, 11149, 22298, 55745, 111490, 2017969, 4035938, 10089845, 20179690]

約数ペア:

[(1, 20179690), (2, 10089845), (5, 4035938), (10, 2017969), (181, 111490), (362, 55745), (905, 22298), (1810, 11149)]