20488585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{823}}^1$

素因数の和:1224

約数の個数: 16

約数和(自身を含む): 26578944

約数和(自身を除く): 6090359

約数列:

[1, 5, 13, 65, 383, 823, 1915, 4115, 4979, 10699, 24895, 53495, 315209, 1576045, 4097717, 20488585]

約数ペア:

[(1, 20488585), (5, 4097717), (13, 1576045), (65, 315209), (383, 53495), (823, 24895), (1915, 10699), (4115, 4979)]