20509984

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{5297}}^1$

素因数の和:5329

約数の個数: 36

約数和(自身を含む): 44391942

約数和(自身を除く): 23881958

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 3872, 5297, 10594, 21188, 42376, 58267, 84752, 116534, 169504, 233068, 466136, 640937, 932272, 1281874, 1864544, 2563748, 5127496, 10254992, 20509984]

約数ペア:

[(1, 20509984), (2, 10254992), (4, 5127496), (8, 2563748), (11, 1864544), (16, 1281874), (22, 932272), (32, 640937), (44, 466136), (88, 233068), (121, 169504), (176, 116534), (242, 84752), (352, 58267), (484, 42376), (968, 21188), (1936, 10594), (3872, 5297)]