20808441

素因数分解:

$3^3\times {\mathrm{709}}^1\times {\mathrm{1087}}^1$

素因数の和:1805

約数の個数: 16

約数和(自身を含む): 30899200

約数和(自身を除く): 10090759

約数列:

[1, 3, 9, 27, 709, 1087, 2127, 3261, 6381, 9783, 19143, 29349, 770683, 2312049, 6936147, 20808441]

約数ペア:

[(1, 20808441), (3, 6936147), (9, 2312049), (27, 770683), (709, 29349), (1087, 19143), (2127, 9783), (3261, 6381)]