20619927

素因数分解:

$3^4\times {\mathrm{193}}^1\times {\mathrm{1319}}^1$

素因数の和:1524

約数の個数: 20

約数和(自身を含む): 30985680

約数和(自身を除く): 10365753

約数列:

[1, 3, 9, 27, 81, 193, 579, 1319, 1737, 3957, 5211, 11871, 15633, 35613, 106839, 254567, 763701, 2291103, 6873309, 20619927]

約数ペア:

[(1, 20619927), (3, 6873309), (9, 2291103), (27, 763701), (81, 254567), (193, 106839), (579, 35613), (1319, 15633), (1737, 11871), (3957, 5211)]