20894474

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{1609}}^1$

素因数の和:1805

約数の個数: 16

約数和(自身を含む): 32303040

約数和(自身を除く): 11408566

約数列:

[1, 2, 43, 86, 151, 302, 1609, 3218, 6493, 12986, 69187, 138374, 242959, 485918, 10447237, 20894474]

約数ペア:

[(1, 20894474), (2, 10447237), (43, 485918), (86, 242959), (151, 138374), (302, 69187), (1609, 12986), (3218, 6493)]