20685004

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{7753}}^1$

素因数の和:7809

約数の個数: 24

約数和(自身を含む): 39080160

約数和(自身を除く): 18395156

約数列:

[1, 2, 4, 23, 29, 46, 58, 92, 116, 667, 1334, 2668, 7753, 15506, 31012, 178319, 224837, 356638, 449674, 713276, 899348, 5171251, 10342502, 20685004]

約数ペア:

[(1, 20685004), (2, 10342502), (4, 5171251), (23, 899348), (29, 713276), (46, 449674), (58, 356638), (92, 224837), (116, 178319), (667, 31012), (1334, 15506), (2668, 7753)]