20181028

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31337}}^1$

素因数の和:31371

約数の個数: 24

約数和(自身を含む): 42118272

約数和(自身を除く): 21937244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 31337, 62674, 125348, 219359, 438718, 720751, 877436, 1441502, 2883004, 5045257, 10090514, 20181028]

約数ペア:

[(1, 20181028), (2, 10090514), (4, 5045257), (7, 2883004), (14, 1441502), (23, 877436), (28, 720751), (46, 438718), (92, 219359), (161, 125348), (322, 62674), (644, 31337)]