20661453

素因数分解:

$3^3\times {\mathrm{409}}^1\times {\mathrm{1871}}^1$

素因数の和:2289

約数の個数: 16

約数和(自身を含む): 30700800

約数和(自身を除く): 10039347

約数列:

[1, 3, 9, 27, 409, 1227, 1871, 3681, 5613, 11043, 16839, 50517, 765239, 2295717, 6887151, 20661453]

約数ペア:

[(1, 20661453), (3, 6887151), (9, 2295717), (27, 765239), (409, 50517), (1227, 16839), (1871, 11043), (3681, 5613)]