20915994

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1019}}^1$

素因数の和:1346

約数の個数: 32

約数和(自身を含む): 45826560

約数和(自身を除く): 24910566

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 311, 622, 933, 1019, 1866, 2038, 3057, 3421, 6114, 6842, 10263, 11209, 20526, 22418, 33627, 67254, 316909, 633818, 950727, 1901454, 3485999, 6971998, 10457997, 20915994]

約数ペア:

[(1, 20915994), (2, 10457997), (3, 6971998), (6, 3485999), (11, 1901454), (22, 950727), (33, 633818), (66, 316909), (311, 67254), (622, 33627), (933, 22418), (1019, 20526), (1866, 11209), (2038, 10263), (3057, 6842), (3421, 6114)]