20129683

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 6481517

約数列:

[1, 7, 17, 19, 29, 119, 133, 203, 307, 323, 493, 551, 2149, 2261, 3451, 3857, 5219, 5833, 8903, 9367, 36533, 40831, 62321, 65569, 99161, 151351, 169157, 694127, 1059457, 1184099, 2875669, 20129683]

約数ペア:

[(1, 20129683), (7, 2875669), (17, 1184099), (19, 1059457), (29, 694127), (119, 169157), (133, 151351), (203, 99161), (307, 65569), (323, 62321), (493, 40831), (551, 36533), (2149, 9367), (2261, 8903), (3451, 5833), (3857, 5219)]