20365807

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{6451}}^1$

素因数の和:6510

約数の個数: 16

約数和(自身を含む): 26014464

約数和(自身を除く): 5648657

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 6451, 45157, 70961, 264491, 496727, 1851437, 2909401, 20365807]

約数ペア:

[(1, 20365807), (7, 2909401), (11, 1851437), (41, 496727), (77, 264491), (287, 70961), (451, 45157), (3157, 6451)]