20054225

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 26040000

約数和(自身を除く): 5985775

約数列:

[1, 5, 25, 29, 139, 145, 199, 695, 725, 995, 3475, 4031, 4975, 5771, 20155, 27661, 28855, 100775, 138305, 144275, 691525, 802169, 4010845, 20054225]

約数ペア:

[(1, 20054225), (5, 4010845), (25, 802169), (29, 691525), (139, 144275), (145, 138305), (199, 100775), (695, 28855), (725, 27661), (995, 20155), (3475, 5771), (4031, 4975)]