20199509560

素因数分解:

$2^3\times 5^1\times {\mathrm{504987739}}^1$

素因数の和:504987750

約数の個数: 16

約数和(自身を含む): 45448896600

約数和(自身を除く): 25249387040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504987739, 1009975478, 2019950956, 2524938695, 4039901912, 5049877390, 10099754780, 20199509560]

約数ペア:

[(1, 20199509560), (2, 10099754780), (4, 5049877390), (5, 4039901912), (8, 2524938695), (10, 2019950956), (20, 1009975478), (40, 504987739)]