20187680253

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{87041}}^1$

素因数の和:87389

約数の個数: 32

約数和(自身を含む): 30610930560

約数和(自身を除く): 10423250307

約数列:

[1, 3, 13, 19, 39, 57, 247, 313, 741, 939, 4069, 5947, 12207, 17841, 77311, 87041, 231933, 261123, 1131533, 1653779, 3394599, 4961337, 21499127, 27243833, 64497381, 81731499, 354169829, 517632827, 1062509487, 1552898481, 6729226751, 20187680253]

約数ペア:

[(1, 20187680253), (3, 6729226751), (13, 1552898481), (19, 1062509487), (39, 517632827), (57, 354169829), (247, 81731499), (313, 64497381), (741, 27243833), (939, 21499127), (4069, 4961337), (5947, 3394599), (12207, 1653779), (17841, 1131533), (77311, 261123), (87041, 231933)]