20218540678

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{62790499}}^1$

素因数の和:62790531

約数の個数: 16

約数和(自身を含む): 36167328000

約数和(自身を除く): 15948787322

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 62790499, 125580998, 439533493, 879066986, 1444181477, 2888362954, 10109270339, 20218540678]

約数ペア:

[(1, 20218540678), (2, 10109270339), (7, 2888362954), (14, 1444181477), (23, 879066986), (46, 439533493), (161, 125580998), (322, 62790499)]