20178340046

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1687999}}^1$

素因数の和:1688183

約数の個数: 16

約数和(自身を含む): 31194240000

約数和(自身を除く): 11015899954

約数列:

[1, 2, 43, 86, 139, 278, 5977, 11954, 1687999, 3375998, 72583957, 145167914, 234631861, 469263722, 10089170023, 20178340046]

約数ペア:

[(1, 20178340046), (2, 10089170023), (43, 469263722), (86, 234631861), (139, 145167914), (278, 72583957), (5977, 3375998), (11954, 1687999)]