20382490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2551}}^1$

素因数の和:2622

約数の個数: 32

約数和(自身を含む): 39688704

約数和(自身を除く): 19306214

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 470, 799, 1598, 2551, 3995, 5102, 7990, 12755, 25510, 43367, 86734, 119897, 216835, 239794, 433670, 599485, 1198970, 2038249, 4076498, 10191245, 20382490]

約数ペア:

[(1, 20382490), (2, 10191245), (5, 4076498), (10, 2038249), (17, 1198970), (34, 599485), (47, 433670), (85, 239794), (94, 216835), (170, 119897), (235, 86734), (470, 43367), (799, 25510), (1598, 12755), (2551, 7990), (3995, 5102)]