20794887

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{1723}}^1$

素因数の和:1884

約数の個数: 20

約数和(自身を含む): 31290600

約数和(自身を除く): 10495713

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 1723, 4023, 5169, 12069, 15507, 46521, 139563, 256727, 770181, 2310543, 6931629, 20794887]

約数ペア:

[(1, 20794887), (3, 6931629), (9, 2310543), (27, 770181), (81, 256727), (149, 139563), (447, 46521), (1341, 15507), (1723, 12069), (4023, 5169)]