20882097

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{20903}}^1$

素因数の和:20949

約数の個数: 16

約数和(自身を含む): 31774080

約数和(自身を除く): 10891983

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 20903, 62709, 188127, 564381, 773411, 2320233, 6960699, 20882097]

約数ペア:

[(1, 20882097), (3, 6960699), (9, 2320233), (27, 773411), (37, 564381), (111, 188127), (333, 62709), (999, 20903)]