20806595817

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2297}}^1\times {\mathrm{25373}}^1$

素因数の和:27697

約数の個数: 32

約数和(自身を含む): 33586244352

約数和(自身を除く): 12779648535

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 2297, 6891, 16079, 25373, 39049, 48237, 76119, 117147, 177611, 273343, 431341, 532833, 820029, 1294023, 3019387, 9058161, 58281781, 174845343, 407972467, 990790277, 1223917401, 2972370831, 6935531939, 20806595817]

約数ペア:

[(1, 20806595817), (3, 6935531939), (7, 2972370831), (17, 1223917401), (21, 990790277), (51, 407972467), (119, 174845343), (357, 58281781), (2297, 9058161), (6891, 3019387), (16079, 1294023), (25373, 820029), (39049, 532833), (48237, 431341), (76119, 273343), (117147, 177611)]