20717524

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2699}}^1$

素因数の和:2823

約数の個数: 24

約数和(自身を含む): 38556000

約数和(自身を除く): 17838476

約数列:

[1, 2, 4, 19, 38, 76, 101, 202, 404, 1919, 2699, 3838, 5398, 7676, 10796, 51281, 102562, 205124, 272599, 545198, 1090396, 5179381, 10358762, 20717524]

約数ペア:

[(1, 20717524), (2, 10358762), (4, 5179381), (19, 1090396), (38, 545198), (76, 272599), (101, 205124), (202, 102562), (404, 51281), (1919, 10796), (2699, 7676), (3838, 5398)]