20199421732

素因数分解:

$2^2\times 7^1\times {\mathrm{721407919}}^1$

素因数の和:721407930

約数の個数: 12

約数和(自身を含む): 40398843520

約数和(自身を除く): 20199421788

約数列:

[1, 2, 4, 7, 14, 28, 721407919, 1442815838, 2885631676, 5049855433, 10099710866, 20199421732]

約数ペア:

[(1, 20199421732), (2, 10099710866), (4, 5049855433), (7, 2885631676), (14, 1442815838), (28, 721407919)]