20759817

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{12983}}^1$

素因数の和:13040

約数の個数: 16

約数和(自身を含む): 30538368

約数和(自身を除く): 9778551

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 12983, 38949, 168779, 506337, 532303, 1596909, 6919939, 20759817]

約数ペア:

[(1, 20759817), (3, 6919939), (13, 1596909), (39, 532303), (41, 506337), (123, 168779), (533, 38949), (1599, 12983)]