20592915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4561}}^1$

素因数の和:4619

約数の個数: 32

約数和(自身を含む): 38539776

約数和(自身を除く): 17946861

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4515, 4561, 13683, 22805, 31927, 68415, 95781, 159635, 196123, 478905, 588369, 980615, 1372861, 2941845, 4118583, 6864305, 20592915]

約数ペア:

[(1, 20592915), (3, 6864305), (5, 4118583), (7, 2941845), (15, 1372861), (21, 980615), (35, 588369), (43, 478905), (105, 196123), (129, 159635), (215, 95781), (301, 68415), (645, 31927), (903, 22805), (1505, 13683), (4515, 4561)]