20161853667

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{39301859}}^1$

素因数の和:39301887

約数の個数: 16

約数和(自身を含む): 31441488000

約数和(自身を除く): 11279634333

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 39301859, 117905577, 353716731, 746735321, 1061150193, 2240205963, 6720617889, 20161853667]

約数ペア:

[(1, 20161853667), (3, 6720617889), (9, 2240205963), (19, 1061150193), (27, 746735321), (57, 353716731), (171, 117905577), (513, 39301859)]