20494449

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{547}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 31117632

約数和(自身を除く): 10623183

約数列:

[1, 3, 9, 23, 69, 181, 207, 543, 547, 1629, 1641, 4163, 4923, 12489, 12581, 37467, 37743, 99007, 113229, 297021, 891063, 2277161, 6831483, 20494449]

約数ペア:

[(1, 20494449), (3, 6831483), (9, 2277161), (23, 891063), (69, 297021), (181, 113229), (207, 99007), (543, 37743), (547, 37467), (1629, 12581), (1641, 12489), (4163, 4923)]