20458575

素因数分解:

$3^4\times 5^2\times {\mathrm{10103}}^1$

素因数の和:10125

約数の個数: 30

約数和(自身を含む): 37900104

約数和(自身を除く): 17441529

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 10103, 30309, 50515, 90927, 151545, 252575, 272781, 454635, 757725, 818343, 1363905, 2273175, 4091715, 6819525, 20458575]

約数ペア:

[(1, 20458575), (3, 6819525), (5, 4091715), (9, 2273175), (15, 1363905), (25, 818343), (27, 757725), (45, 454635), (75, 272781), (81, 252575), (135, 151545), (225, 90927), (405, 50515), (675, 30309), (2025, 10103)]