20808897813

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{569623}}^1$

素因数の和:569687

約数の個数: 40

約数和(自身を含む): 34737950016

約数和(自身を除く): 13929052203

約数列:

[1, 3, 9, 11, 27, 33, 41, 81, 99, 123, 297, 369, 451, 891, 1107, 1353, 3321, 4059, 12177, 36531, 569623, 1708869, 5126607, 6265853, 15379821, 18797559, 23354543, 46139463, 56392677, 70063629, 169178031, 210190887, 256899973, 507534093, 630572661, 770699919, 1891717983, 2312099757, 6936299271, 20808897813]

約数ペア:

[(1, 20808897813), (3, 6936299271), (9, 2312099757), (11, 1891717983), (27, 770699919), (33, 630572661), (41, 507534093), (81, 256899973), (99, 210190887), (123, 169178031), (297, 70063629), (369, 56392677), (451, 46139463), (891, 23354543), (1107, 18797559), (1353, 15379821), (3321, 6265853), (4059, 5126607), (12177, 1708869), (36531, 569623)]