20041242

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{256939}}^1$

素因数の和:256957

約数の個数: 16

約数和(自身を含む): 43165920

約数和(自身を除く): 23124678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 256939, 513878, 770817, 1541634, 3340207, 6680414, 10020621, 20041242]

約数ペア:

[(1, 20041242), (2, 10020621), (3, 6680414), (6, 3340207), (13, 1541634), (26, 770817), (39, 513878), (78, 256939)]