20875085

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{919}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 31795200

約数和(自身を除く): 10920115

約数列:

[1, 5, 7, 11, 35, 55, 59, 77, 295, 385, 413, 649, 919, 2065, 3245, 4543, 4595, 6433, 10109, 22715, 32165, 50545, 54221, 70763, 271105, 353815, 379547, 596431, 1897735, 2982155, 4175017, 20875085]

約数ペア:

[(1, 20875085), (5, 4175017), (7, 2982155), (11, 1897735), (35, 596431), (55, 379547), (59, 353815), (77, 271105), (295, 70763), (385, 54221), (413, 50545), (649, 32165), (919, 22715), (2065, 10109), (3245, 6433), (4543, 4595)]