20859525

素因数分解:

$3^4\times 5^2\times {\mathrm{10301}}^1$

素因数の和:10323

約数の個数: 30

約数和(自身を含む): 38642802

約数和(自身を除く): 17783277

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 10301, 30903, 51505, 92709, 154515, 257525, 278127, 463545, 772575, 834381, 1390635, 2317725, 4171905, 6953175, 20859525]

約数ペア:

[(1, 20859525), (3, 6953175), (5, 4171905), (9, 2317725), (15, 1390635), (25, 834381), (27, 772575), (45, 463545), (75, 278127), (81, 257525), (135, 154515), (225, 92709), (405, 51505), (675, 30903), (2025, 10301)]