20334218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2689}}^1$

素因数の和:2909

約数の個数: 16

約数和(自身を含む): 32280000

約数和(自身を除く): 11945782

約数列:

[1, 2, 19, 38, 199, 398, 2689, 3781, 5378, 7562, 51091, 102182, 535111, 1070222, 10167109, 20334218]

約数ペア:

[(1, 20334218), (2, 10167109), (19, 1070222), (38, 535111), (199, 102182), (398, 51091), (2689, 7562), (3781, 5378)]