20342499261

素因数分解:

$3^1\times 7^1\times {\mathrm{2437}}^1\times {\mathrm{397493}}^1$

素因数の和:399940

約数の個数: 16

約数和(自身を含む): 31010891904

約数和(自身を除く): 10668392643

約数列:

[1, 3, 7, 21, 2437, 7311, 17059, 51177, 397493, 1192479, 2782451, 8347353, 968690441, 2906071323, 6780833087, 20342499261]

約数ペア:

[(1, 20342499261), (3, 6780833087), (7, 2906071323), (21, 968690441), (2437, 8347353), (7311, 2782451), (17059, 1192479), (51177, 397493)]