20392866

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87149}}^1$

素因数の和:87170

約数の個数: 24

約数和(自身を含む): 47583900

約数和(自身を除く): 27191034

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 87149, 174298, 261447, 522894, 784341, 1132937, 1568682, 2265874, 3398811, 6797622, 10196433, 20392866]

約数ペア:

[(1, 20392866), (2, 10196433), (3, 6797622), (6, 3398811), (9, 2265874), (13, 1568682), (18, 1132937), (26, 784341), (39, 522894), (78, 261447), (117, 174298), (234, 87149)]