2013302020

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{391693}}^1$

素因数の和:391959

約数の個数: 24

約数和(自身を含む): 4244396184

約数和(自身を除く): 2231094164

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 391693, 783386, 1566772, 1958465, 3916930, 7833860, 100665101, 201330202, 402660404, 503325505, 1006651010, 2013302020]

約数ペア:

[(1, 2013302020), (2, 1006651010), (4, 503325505), (5, 402660404), (10, 201330202), (20, 100665101), (257, 7833860), (514, 3916930), (1028, 1958465), (1285, 1566772), (2570, 783386), (5140, 391693)]