20187143870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28432597}}^1$

素因数の和:28432675

約数の個数: 16

約数和(自身を含む): 36848647008

約数和(自身を除く): 16661503138

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28432597, 56865194, 142162985, 284325970, 2018714387, 4037428774, 10093571935, 20187143870]

約数ペア:

[(1, 20187143870), (2, 10093571935), (5, 4037428774), (10, 2018714387), (71, 284325970), (142, 142162985), (355, 56865194), (710, 28432597)]