414678820

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{20549}}^1$

素因数の和:21567

約数の個数: 24

約数和(自身を含む): 871731000

約数和(自身を除く): 457052180

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 4036, 5045, 10090, 20180, 20549, 41098, 82196, 102745, 205490, 410980, 20733941, 41467882, 82935764, 103669705, 207339410, 414678820]

約数ペア:

[(1, 414678820), (2, 207339410), (4, 103669705), (5, 82935764), (10, 41467882), (20, 20733941), (1009, 410980), (2018, 205490), (4036, 102745), (5045, 82196), (10090, 41098), (20180, 20549)]