20172496

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{11783}}^1$

素因数の和:11898

約数の個数: 20

約数和(自身を含む): 39452832

約数和(自身を除く): 19280336

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 11783, 23566, 47132, 94264, 188528, 1260781, 2521562, 5043124, 10086248, 20172496]

約数ペア:

[(1, 20172496), (2, 10086248), (4, 5043124), (8, 2521562), (16, 1260781), (107, 188528), (214, 94264), (428, 47132), (856, 23566), (1712, 11783)]