20145255575

素因数分解:

$5^2\times {\mathrm{163}}^1\times {\mathrm{307}}^1\times {\mathrm{16103}}^1$

素因数の和:16583

約数の個数: 24

約数和(自身を含む): 25216802688

約数和(自身を除く): 5071547113

約数列:

[1, 5, 25, 163, 307, 815, 1535, 4075, 7675, 16103, 50041, 80515, 250205, 402575, 1251025, 2624789, 4943621, 13123945, 24718105, 65619725, 123590525, 805810223, 4029051115, 20145255575]

約数ペア:

[(1, 20145255575), (5, 4029051115), (25, 805810223), (163, 123590525), (307, 65619725), (815, 24718105), (1535, 13123945), (4075, 4943621), (7675, 2624789), (16103, 1251025), (50041, 402575), (80515, 250205)]