20545920002

素因数分解:

$2^1\times {\mathrm{20071}}^1\times {\mathrm{511831}}^1$

素因数の和:531904

約数の個数: 8

約数和(自身を含む): 30820475712

約数和(自身を除く): 10274555710

約数列:

[1, 2, 20071, 40142, 511831, 1023662, 10272960001, 20545920002]

約数ペア:

[(1, 20545920002), (2, 10272960001), (20071, 1023662), (40142, 511831)]