20199012428

素因数分解:

$2^2\times 7^1\times {\mathrm{721393301}}^1$

素因数の和:721393312

約数の個数: 12

約数和(自身を含む): 40398024912

約数和(自身を除く): 20199012484

約数列:

[1, 2, 4, 7, 14, 28, 721393301, 1442786602, 2885573204, 5049753107, 10099506214, 20199012428]

約数ペア:

[(1, 20199012428), (2, 10099506214), (4, 5049753107), (7, 2885573204), (14, 1442786602), (28, 721393301)]