20481093

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{1697}}^1$

素因数の和:1858

約数の個数: 20

約数和(自身を含む): 30818700

約数和(自身を除く): 10337607

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 1697, 4023, 5091, 12069, 15273, 45819, 137457, 252853, 758559, 2275677, 6827031, 20481093]

約数ペア:

[(1, 20481093), (3, 6827031), (9, 2275677), (27, 758559), (81, 252853), (149, 137457), (447, 45819), (1341, 15273), (1697, 12069), (4023, 5091)]