20850258

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1327

約数の個数: 64

約数和(自身を含む): 51609600

約数和(自身を除く): 30759342

約数列:

[1, 2, 3, 6, 11, 13, 19, 22, 26, 33, 38, 39, 57, 66, 78, 114, 143, 209, 247, 286, 418, 429, 494, 627, 741, 858, 1254, 1279, 1482, 2558, 2717, 3837, 5434, 7674, 8151, 14069, 16302, 16627, 24301, 28138, 33254, 42207, 48602, 49881, 72903, 84414, 99762, 145806, 182897, 267311, 315913, 365794, 534622, 548691, 631826, 801933, 947739, 1097382, 1603866, 1895478, 3475043, 6950086, 10425129, 20850258]

約数ペア:

[(1, 20850258), (2, 10425129), (3, 6950086), (6, 3475043), (11, 1895478), (13, 1603866), (19, 1097382), (22, 947739), (26, 801933), (33, 631826), (38, 548691), (39, 534622), (57, 365794), (66, 315913), (78, 267311), (114, 182897), (143, 145806), (209, 99762), (247, 84414), (286, 72903), (418, 49881), (429, 48602), (494, 42207), (627, 33254), (741, 28138), (858, 24301), (1254, 16627), (1279, 16302), (1482, 14069), (2558, 8151), (2717, 7674), (3837, 5434)]