20042181

素因数分解:

$3^3\times {\mathrm{661}}^1\times {\mathrm{1123}}^1$

素因数の和:1793

約数の個数: 16

約数和(自身を含む): 29763520

約数和(自身を除く): 9721339

約数列:

[1, 3, 9, 27, 661, 1123, 1983, 3369, 5949, 10107, 17847, 30321, 742303, 2226909, 6680727, 20042181]

約数ペア:

[(1, 20042181), (3, 6680727), (9, 2226909), (27, 742303), (661, 30321), (1123, 17847), (1983, 10107), (3369, 5949)]