20809683

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{45337}}^1$

素因数の和:45363

約数の個数: 16

約数和(自身を含む): 32643360

約数和(自身を除く): 11833677

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 45337, 136011, 408033, 770729, 1224099, 2312187, 6936561, 20809683]

約数ペア:

[(1, 20809683), (3, 6936561), (9, 2312187), (17, 1224099), (27, 770729), (51, 408033), (153, 136011), (459, 45337)]