20103340

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2269}}^1$

素因数の和:2721

約数の個数: 24

約数和(自身を含む): 42330960

約数和(自身を除く): 22227620

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 2269, 4430, 4538, 8860, 9076, 11345, 22690, 45380, 1005167, 2010334, 4020668, 5025835, 10051670, 20103340]

約数ペア:

[(1, 20103340), (2, 10051670), (4, 5025835), (5, 4020668), (10, 2010334), (20, 1005167), (443, 45380), (886, 22690), (1772, 11345), (2215, 9076), (2269, 8860), (4430, 4538)]