20156727

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{1123}}^1$

素因数の和:1350

約数の個数: 16

約数和(自身を含む): 27911168

約数和(自身を除く): 7754441

約数列:

[1, 3, 31, 93, 193, 579, 1123, 3369, 5983, 17949, 34813, 104439, 216739, 650217, 6718909, 20156727]

約数ペア:

[(1, 20156727), (3, 6718909), (31, 650217), (93, 216739), (193, 104439), (579, 34813), (1123, 17949), (3369, 5983)]