20027161

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1307}}^1$

素因数の和:1524

約数の個数: 16

約数和(自身を含む): 25113600

約数和(自身を除く): 5086439

約数列:

[1, 7, 11, 77, 199, 1307, 1393, 2189, 9149, 14377, 15323, 100639, 260093, 1820651, 2861023, 20027161]

約数ペア:

[(1, 20027161), (7, 2861023), (11, 1820651), (77, 260093), (199, 100639), (1307, 15323), (1393, 14377), (2189, 9149)]