2017807720

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{149689}}^1$

素因数の和:150037

約数の個数: 32

約数和(自身を含む): 4553569800

約数和(自身を除く): 2535762080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2696, 3370, 6740, 13480, 149689, 299378, 598756, 748445, 1197512, 1496890, 2993780, 5987560, 50445193, 100890386, 201780772, 252225965, 403561544, 504451930, 1008903860, 2017807720]

約数ペア:

[(1, 2017807720), (2, 1008903860), (4, 504451930), (5, 403561544), (8, 252225965), (10, 201780772), (20, 100890386), (40, 50445193), (337, 5987560), (674, 2993780), (1348, 1496890), (1685, 1197512), (2696, 748445), (3370, 598756), (6740, 299378), (13480, 149689)]