20163621604

素因数分解:

$2^2\times 7^1\times {\mathrm{720129343}}^1$

素因数の和:720129354

約数の個数: 12

約数和(自身を含む): 40327243264

約数和(自身を除く): 20163621660

約数列:

[1, 2, 4, 7, 14, 28, 720129343, 1440258686, 2880517372, 5040905401, 10081810802, 20163621604]

約数ペア:

[(1, 20163621604), (2, 10081810802), (4, 5040905401), (7, 2880517372), (14, 1440258686), (28, 720129343)]