20647517

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{523}}^1$

素因数の和:668

約数の個数: 16

約数和(自身を含む): 23416512

約数和(自身を除く): 2768995

約数列:

[1, 11, 37, 97, 407, 523, 1067, 3589, 5753, 19351, 39479, 50731, 212861, 558041, 1877047, 20647517]

約数ペア:

[(1, 20647517), (11, 1877047), (37, 558041), (97, 212861), (407, 50731), (523, 39479), (1067, 19351), (3589, 5753)]