20806957703

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{810587}}^1$

素因数の和:810806

約数の個数: 16

約数和(自身を含む): 25160651520

約数和(自身を除く): 4353693817

約数列:

[1, 7, 19, 133, 193, 1351, 3667, 25669, 810587, 5674109, 15401153, 107808071, 156443291, 1095103037, 2972422529, 20806957703]

約数ペア:

[(1, 20806957703), (7, 2972422529), (19, 1095103037), (133, 156443291), (193, 107808071), (1351, 15401153), (3667, 5674109), (25669, 810587)]