16901680

素因数分解:

$2^4\times 5^1\times {\mathrm{211271}}^1$

素因数の和:211284

約数の個数: 20

約数和(自身を含む): 39296592

約数和(自身を除く): 22394912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211271, 422542, 845084, 1056355, 1690168, 2112710, 3380336, 4225420, 8450840, 16901680]

約数ペア:

[(1, 16901680), (2, 8450840), (4, 4225420), (5, 3380336), (8, 2112710), (10, 1690168), (16, 1056355), (20, 845084), (40, 422542), (80, 211271)]