2019668740

素因数分解:

$2^2\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{62297}}^1$

素因数の和:63927

約数の個数: 24

約数和(自身を含む): 4243988952

約数和(自身を除く): 2224320212

約数列:

[1, 2, 4, 5, 10, 20, 1621, 3242, 6484, 8105, 16210, 32420, 62297, 124594, 249188, 311485, 622970, 1245940, 100983437, 201966874, 403933748, 504917185, 1009834370, 2019668740]

約数ペア:

[(1, 2019668740), (2, 1009834370), (4, 504917185), (5, 403933748), (10, 201966874), (20, 100983437), (1621, 1245940), (3242, 622970), (6484, 311485), (8105, 249188), (16210, 124594), (32420, 62297)]