20802124827

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{19102043}}^1$

素因数の和:19102071

約数の個数: 18

約数和(自身を含む): 33027434076

約数和(自身を除く): 12225309249

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 19102043, 57306129, 171918387, 210122473, 630367419, 1891102257, 2311347203, 6934041609, 20802124827]

約数ペア:

[(1, 20802124827), (3, 6934041609), (9, 2311347203), (11, 1891102257), (33, 630367419), (99, 210122473), (121, 171918387), (363, 57306129), (1089, 19102043)]