20199421756

素因数分解:

$2^2\times {\mathrm{39217}}^1\times {\mathrm{128767}}^1$

素因数の和:167988

約数の個数: 12

約数和(自身を含む): 35350163968

約数和(自身を除く): 15150742212

約数列:

[1, 2, 4, 39217, 78434, 128767, 156868, 257534, 515068, 5049855439, 10099710878, 20199421756]

約数ペア:

[(1, 20199421756), (2, 10099710878), (4, 5049855439), (39217, 515068), (78434, 257534), (128767, 156868)]