2116788820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2251903}}^1$

素因数の和:2251959

約数の個数: 24

約数和(自身を含む): 4539838464

約数和(自身を除く): 2423049644

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 2251903, 4503806, 9007612, 11259515, 22519030, 45038060, 105839441, 211678882, 423357764, 529197205, 1058394410, 2116788820]

約数ペア:

[(1, 2116788820), (2, 1058394410), (4, 529197205), (5, 423357764), (10, 211678882), (20, 105839441), (47, 45038060), (94, 22519030), (188, 11259515), (235, 9007612), (470, 4503806), (940, 2251903)]