20373665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10111}}^1$

素因数の和:10160

約数の個数: 16

約数和(自身を含む): 27181056

約数和(自身を除く): 6807391

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 10111, 50555, 131443, 313441, 657215, 1567205, 4074733, 20373665]

約数ペア:

[(1, 20373665), (5, 4074733), (13, 1567205), (31, 657215), (65, 313441), (155, 131443), (403, 50555), (2015, 10111)]