20802520610

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1787}}^1\times {\mathrm{2903}}^1$

素因数の和:5098

約数の個数: 32

約数和(自身を含む): 37571859072

約数和(自身を除く): 16769338462

約数列:

[1, 2, 5, 10, 401, 802, 1787, 2005, 2903, 3574, 4010, 5806, 8935, 14515, 17870, 29030, 716587, 1164103, 1433174, 2328206, 3582935, 5187661, 5820515, 7165870, 10375322, 11641030, 25938305, 51876610, 2080252061, 4160504122, 10401260305, 20802520610]

約数ペア:

[(1, 20802520610), (2, 10401260305), (5, 4160504122), (10, 2080252061), (401, 51876610), (802, 25938305), (1787, 11641030), (2005, 10375322), (2903, 7165870), (3574, 5820515), (4010, 5187661), (5806, 3582935), (8935, 2328206), (14515, 1433174), (17870, 1164103), (29030, 716587)]