20970609

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{5939}}^1$

素因数の和:6060

約数の個数: 16

約数和(自身を含む): 30792960

約数和(自身を除く): 9822351

約数列:

[1, 3, 11, 33, 107, 321, 1177, 3531, 5939, 17817, 65329, 195987, 635473, 1906419, 6990203, 20970609]

約数ペア:

[(1, 20970609), (3, 6990203), (11, 1906419), (33, 635473), (107, 195987), (321, 65329), (1177, 17817), (3531, 5939)]