20807009531

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{2525429}}^1$

素因数の和:2525554

約数の個数: 16

約数和(自身を含む): 26183658240

約数和(自身を除く): 5376648709

約数列:

[1, 7, 11, 77, 107, 749, 1177, 8239, 2525429, 17678003, 27779719, 194458033, 270220903, 1891546321, 2972429933, 20807009531]

約数ペア:

[(1, 20807009531), (7, 2972429933), (11, 1891546321), (77, 270220903), (107, 194458033), (749, 27779719), (1177, 17678003), (8239, 2525429)]