20202119

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{701}}^1$

素因数の和:910

約数の個数: 16

約数和(自身を含む): 24261120

約数和(自身を除く): 4059001

約数列:

[1, 7, 23, 161, 179, 701, 1253, 4117, 4907, 16123, 28819, 112861, 125479, 878353, 2886017, 20202119]

約数ペア:

[(1, 20202119), (7, 2886017), (23, 878353), (161, 125479), (179, 112861), (701, 28819), (1253, 16123), (4117, 4907)]