20500479

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{20521}}^1$

素因数の和:20567

約数の個数: 16

約数和(自身を含む): 31193440

約数和(自身を除く): 10692961

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 20521, 61563, 184689, 554067, 759277, 2277831, 6833493, 20500479]

約数ペア:

[(1, 20500479), (3, 6833493), (9, 2277831), (27, 759277), (37, 554067), (111, 184689), (333, 61563), (999, 20521)]