20879630

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{3947}}^1$

素因数の和:4000

約数の個数: 24

約数和(自身を含む): 39298392

約数和(自身を除く): 18418762

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 529, 1058, 2645, 3947, 5290, 7894, 19735, 39470, 90781, 181562, 453905, 907810, 2087963, 4175926, 10439815, 20879630]

約数ペア:

[(1, 20879630), (2, 10439815), (5, 4175926), (10, 2087963), (23, 907810), (46, 453905), (115, 181562), (230, 90781), (529, 39470), (1058, 19735), (2645, 7894), (3947, 5290)]