20127897

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3797}}^1$

素因数の和:3853

約数の個数: 24

約数和(自身を含む): 31599360

約数和(自身を除く): 11471463

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 1767, 3797, 5301, 11391, 34173, 72143, 117707, 216429, 353121, 649287, 1059363, 2236433, 6709299, 20127897]

約数ペア:

[(1, 20127897), (3, 6709299), (9, 2236433), (19, 1059363), (31, 649287), (57, 353121), (93, 216429), (171, 117707), (279, 72143), (589, 34173), (1767, 11391), (3797, 5301)]