20005293

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{7873}}^1$

素因数の和:7905

約数の個数: 24

約数和(自身を含む): 33511744

約数和(自身を除く): 13506451

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 7873, 23619, 55111, 86603, 165333, 259809, 606221, 952633, 1818663, 2857899, 6668431, 20005293]

約数ペア:

[(1, 20005293), (3, 6668431), (7, 2857899), (11, 1818663), (21, 952633), (33, 606221), (77, 259809), (121, 165333), (231, 86603), (363, 55111), (847, 23619), (2541, 7873)]