20194280

素因数分解:

$2^3\times 5^1\times {\mathrm{504857}}^1$

素因数の和:504868

約数の個数: 16

約数和(自身を含む): 45437220

約数和(自身を除く): 25242940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504857, 1009714, 2019428, 2524285, 4038856, 5048570, 10097140, 20194280]

約数ペア:

[(1, 20194280), (2, 10097140), (4, 5048570), (5, 4038856), (8, 2524285), (10, 2019428), (20, 1009714), (40, 504857)]