20045487

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{811}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 33675264

約数和(自身を除く): 13629777

約数列:

[1, 3, 7, 11, 21, 33, 77, 107, 231, 321, 749, 811, 1177, 2247, 2433, 3531, 5677, 8239, 8921, 17031, 24717, 26763, 62447, 86777, 187341, 260331, 607439, 954547, 1822317, 2863641, 6681829, 20045487]

約数ペア:

[(1, 20045487), (3, 6681829), (7, 2863641), (11, 1822317), (21, 954547), (33, 607439), (77, 260331), (107, 187341), (231, 86777), (321, 62447), (749, 26763), (811, 24717), (1177, 17031), (2247, 8921), (2433, 8239), (3531, 5677)]