20008219

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{5303}}^1$

素因数の和:5335

約数の個数: 16

約数和(自身を含む): 25459200

約数和(自身を除く): 5450981

約数列:

[1, 7, 11, 49, 77, 343, 539, 3773, 5303, 37121, 58333, 259847, 408331, 1818929, 2858317, 20008219]

約数ペア:

[(1, 20008219), (7, 2858317), (11, 1818929), (49, 408331), (77, 259847), (343, 58333), (539, 37121), (3773, 5303)]