20580008

素因数分解:

$2^3\times {\mathrm{443}}^1\times {\mathrm{5807}}^1$

素因数の和:6256

約数の個数: 16

約数和(自身を含む): 38681280

約数和(自身を除く): 18101272

約数列:

[1, 2, 4, 8, 443, 886, 1772, 3544, 5807, 11614, 23228, 46456, 2572501, 5145002, 10290004, 20580008]

約数ペア:

[(1, 20580008), (2, 10290004), (4, 5145002), (8, 2572501), (443, 46456), (886, 23228), (1772, 11614), (3544, 5807)]