20168291525

素因数分解:

$5^2\times {\mathrm{181}}^1\times {\mathrm{719}}^1\times {\mathrm{6199}}^1$

素因数の和:7109

約数の個数: 24

約数和(自身を含む): 25185888000

約数和(自身を除く): 5017596475

約数列:

[1, 5, 25, 181, 719, 905, 3595, 4525, 6199, 17975, 30995, 130139, 154975, 650695, 1122019, 3253475, 4457081, 5610095, 22285405, 28050475, 111427025, 806731661, 4033658305, 20168291525]

約数ペア:

[(1, 20168291525), (5, 4033658305), (25, 806731661), (181, 111427025), (719, 28050475), (905, 22285405), (3595, 5610095), (4525, 4457081), (6199, 3253475), (17975, 1122019), (30995, 650695), (130139, 154975)]