20815311

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{14669}}^1$

素因数の和:14726

約数の個数: 16

約数和(自身を含む): 30983040

約数和(自身を除く): 10167729

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 14669, 44007, 161359, 484077, 630767, 1892301, 6938437, 20815311]

約数ペア:

[(1, 20815311), (3, 6938437), (11, 1892301), (33, 630767), (43, 484077), (129, 161359), (473, 44007), (1419, 14669)]