39330820

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1949}}^1$

素因数の和:2967

約数の個数: 24

約数和(自身を含む): 82719000

約数和(自身を除く): 43388180

約数列:

[1, 2, 4, 5, 10, 20, 1009, 1949, 2018, 3898, 4036, 5045, 7796, 9745, 10090, 19490, 20180, 38980, 1966541, 3933082, 7866164, 9832705, 19665410, 39330820]

約数ペア:

[(1, 39330820), (2, 19665410), (4, 9832705), (5, 7866164), (10, 3933082), (20, 1966541), (1009, 38980), (1949, 20180), (2018, 19490), (3898, 10090), (4036, 9745), (5045, 7796)]