20389968158

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{33870379}}^1$

素因数の和:33870431

約数の個数: 16

約数和(自身を含む): 35767121280

約数和(自身を除く): 15377153122

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 33870379, 67740758, 237092653, 474185306, 1456426297, 2912852594, 10194984079, 20389968158]

約数ペア:

[(1, 20389968158), (2, 10194984079), (7, 2912852594), (14, 1456426297), (43, 474185306), (86, 237092653), (301, 67740758), (602, 33870379)]