20782866

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{266447}}^1$

素因数の和:266465

約数の個数: 16

約数和(自身を含む): 44763264

約数和(自身を除く): 23980398

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 266447, 532894, 799341, 1598682, 3463811, 6927622, 10391433, 20782866]

約数ペア:

[(1, 20782866), (2, 10391433), (3, 6927622), (6, 3463811), (13, 1598682), (26, 799341), (39, 532894), (78, 266447)]