20408949

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{6247}}^1$

素因数の和:6278

約数の個数: 24

約数和(自身を含む): 33239360

約数和(自身を除く): 12830411

約数列:

[1, 3, 9, 11, 27, 33, 99, 121, 297, 363, 1089, 3267, 6247, 18741, 56223, 68717, 168669, 206151, 618453, 755887, 1855359, 2267661, 6802983, 20408949]

約数ペア:

[(1, 20408949), (3, 6802983), (9, 2267661), (11, 1855359), (27, 755887), (33, 618453), (99, 206151), (121, 168669), (297, 68717), (363, 56223), (1089, 18741), (3267, 6247)]