20697309

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{33329}}^1$

素因数の和:33361

約数の個数: 16

約数和(自身を含む): 31996800

約数和(自身を除く): 11299491

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 33329, 99987, 299961, 766567, 899883, 2299701, 6899103, 20697309]

約数ペア:

[(1, 20697309), (3, 6899103), (9, 2299701), (23, 899883), (27, 766567), (69, 299961), (207, 99987), (621, 33329)]