20427386930

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47505551}}^1$

素因数の和:47505601

約数の個数: 16

約数和(自身を含む): 37624397184

約数和(自身を除く): 17197010254

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 47505551, 95011102, 237527755, 475055510, 2042738693, 4085477386, 10213693465, 20427386930]

約数ペア:

[(1, 20427386930), (2, 10213693465), (5, 4085477386), (10, 2042738693), (43, 475055510), (86, 237527755), (215, 95011102), (430, 47505551)]