20173156940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43854689}}^1$

素因数の和:43854721

約数の個数: 24

約数和(自身を含む): 44205527520

約数和(自身を除く): 24032370580

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 43854689, 87709378, 175418756, 219273445, 438546890, 877093780, 1008657847, 2017315694, 4034631388, 5043289235, 10086578470, 20173156940]

約数ペア:

[(1, 20173156940), (2, 10086578470), (4, 5043289235), (5, 4034631388), (10, 2017315694), (20, 1008657847), (23, 877093780), (46, 438546890), (92, 219273445), (115, 175418756), (230, 87709378), (460, 43854689)]