20189671610

素因数分解:

$2^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{3199631}}^1$

素因数の和:3200269

約数の個数: 16

約数和(自身を含む): 36399013632

約数和(自身を除く): 16209342022

約数列:

[1, 2, 5, 10, 631, 1262, 3155, 6310, 3199631, 6399262, 15998155, 31996310, 2018967161, 4037934322, 10094835805, 20189671610]

約数ペア:

[(1, 20189671610), (2, 10094835805), (5, 4037934322), (10, 2018967161), (631, 31996310), (1262, 15998155), (3155, 6399262), (6310, 3199631)]