20471556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{243709}}^1$

素因数の和:243723

約数の個数: 24

約数和(自身を含む): 54591040

約数和(自身を除く): 34119484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 243709, 487418, 731127, 974836, 1462254, 1705963, 2924508, 3411926, 5117889, 6823852, 10235778, 20471556]

約数ペア:

[(1, 20471556), (2, 10235778), (3, 6823852), (4, 5117889), (6, 3411926), (7, 2924508), (12, 1705963), (14, 1462254), (21, 974836), (28, 731127), (42, 487418), (84, 243709)]