20512594669

素因数分解:

$7^3\times {\mathrm{2861}}^1\times {\mathrm{20903}}^1$

素因数の和:23785

約数の個数: 16

約数和(自身を含む): 23930899200

約数和(自身を除く): 3418304531

約数列:

[1, 7, 49, 343, 2861, 20027, 20903, 140189, 146321, 981323, 1024247, 7169729, 59803483, 418624381, 2930370667, 20512594669]

約数ペア:

[(1, 20512594669), (7, 2930370667), (49, 418624381), (343, 59803483), (2861, 7169729), (20027, 1024247), (20903, 981323), (140189, 146321)]