20590569

素因数分解:

$3^2\times {\mathrm{41}}^2\times {\mathrm{1361}}^1$

素因数の和:1449

約数の個数: 18

約数和(自身を含む): 30507438

約数和(自身を除く): 9916869

約数列:

[1, 3, 9, 41, 123, 369, 1361, 1681, 4083, 5043, 12249, 15129, 55801, 167403, 502209, 2287841, 6863523, 20590569]

約数ペア:

[(1, 20590569), (3, 6863523), (9, 2287841), (41, 502209), (123, 167403), (369, 55801), (1361, 15129), (1681, 12249), (4083, 5043)]