20388489

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{1949}}^1$

素因数の和:2280

約数の個数: 16

約数和(自身を含む): 29764800

約数和(自身を除く): 9376311

約数列:

[1, 3, 11, 33, 317, 951, 1949, 3487, 5847, 10461, 21439, 64317, 617833, 1853499, 6796163, 20388489]

約数ペア:

[(1, 20388489), (3, 6796163), (11, 1853499), (33, 617833), (317, 64317), (951, 21439), (1949, 10461), (3487, 5847)]