20138026070

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28363417}}^1$

素因数の和:28363495

約数の個数: 16

約数和(自身を含む): 36758989728

約数和(自身を除く): 16620963658

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28363417, 56726834, 141817085, 283634170, 2013802607, 4027605214, 10069013035, 20138026070]

約数ペア:

[(1, 20138026070), (2, 10069013035), (5, 4027605214), (10, 2013802607), (71, 283634170), (142, 141817085), (355, 56726834), (710, 28363417)]