20010860

素因数分解:

$2^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{2161}}^1$

素因数の和:2633

約数の個数: 24

約数和(自身を含む): 42133056

約数和(自身を除く): 22122196

約数列:

[1, 2, 4, 5, 10, 20, 463, 926, 1852, 2161, 2315, 4322, 4630, 8644, 9260, 10805, 21610, 43220, 1000543, 2001086, 4002172, 5002715, 10005430, 20010860]

約数ペア:

[(1, 20010860), (2, 10005430), (4, 5002715), (5, 4002172), (10, 2001086), (20, 1000543), (463, 43220), (926, 21610), (1852, 10805), (2161, 9260), (2315, 8644), (4322, 4630)]