20626347

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12433}}^1$

素因数の和:12522

約数の個数: 16

約数和(自身を含む): 31831040

約数和(自身を除く): 11204693

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 12433, 37299, 87031, 261093, 982207, 2946621, 6875449, 20626347]

約数ペア:

[(1, 20626347), (3, 6875449), (7, 2946621), (21, 982207), (79, 261093), (237, 87031), (553, 37299), (1659, 12433)]