20289599

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 22788864

約数和(自身を除く): 2499265

約数列:

[1, 11, 71, 83, 313, 781, 913, 3443, 5893, 22223, 25979, 64823, 244453, 285769, 1844509, 20289599]

約数ペア:

[(1, 20289599), (11, 1844509), (71, 285769), (83, 244453), (313, 64823), (781, 25979), (913, 22223), (3443, 5893)]