20168099525

素因数分解:

$5^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{597131}}^1$

素因数の和:597341

約数の個数: 24

約数和(自身を含む): 28729214784

約数和(自身を除く): 8561115259

約数列:

[1, 5, 7, 25, 35, 175, 193, 965, 1351, 4825, 6755, 33775, 597131, 2985655, 4179917, 14928275, 20899585, 104497925, 115246283, 576231415, 806723981, 2881157075, 4033619905, 20168099525]

約数ペア:

[(1, 20168099525), (5, 4033619905), (7, 2881157075), (25, 806723981), (35, 576231415), (175, 115246283), (193, 104497925), (965, 20899585), (1351, 14928275), (4825, 4179917), (6755, 2985655), (33775, 597131)]