20192877

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{449}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 30888000

約数和(自身を除く): 10695123

約数列:

[1, 3, 9, 19, 57, 171, 263, 449, 789, 1347, 2367, 4041, 4997, 8531, 14991, 25593, 44973, 76779, 118087, 354261, 1062783, 2243653, 6730959, 20192877]

約数ペア:

[(1, 20192877), (3, 6730959), (9, 2243653), (19, 1062783), (57, 354261), (171, 118087), (263, 76779), (449, 44973), (789, 25593), (1347, 14991), (2367, 8531), (4041, 4997)]