20198585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{829}}^1$

素因数の和:1288

約数の個数: 16

約数和(自身を含む): 26533440

約数和(自身を除く): 6334855

約数列:

[1, 5, 11, 55, 443, 829, 2215, 4145, 4873, 9119, 24365, 45595, 367247, 1836235, 4039717, 20198585]

約数ペア:

[(1, 20198585), (5, 4039717), (11, 1836235), (55, 367247), (443, 45595), (829, 24365), (2215, 9119), (4145, 4873)]