20794576

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{467}}^1$

素因数の和:520

約数の個数: 60

約数和(自身を含む): 46309536

約数和(自身を除く): 25514960

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 121, 176, 184, 242, 253, 368, 467, 484, 506, 934, 968, 1012, 1868, 1936, 2024, 2783, 3736, 4048, 5137, 5566, 7472, 10274, 10741, 11132, 20548, 21482, 22264, 41096, 42964, 44528, 56507, 82192, 85928, 113014, 118151, 171856, 226028, 236302, 452056, 472604, 904112, 945208, 1299661, 1890416, 2599322, 5198644, 10397288, 20794576]

約数ペア:

[(1, 20794576), (2, 10397288), (4, 5198644), (8, 2599322), (11, 1890416), (16, 1299661), (22, 945208), (23, 904112), (44, 472604), (46, 452056), (88, 236302), (92, 226028), (121, 171856), (176, 118151), (184, 113014), (242, 85928), (253, 82192), (368, 56507), (467, 44528), (484, 42964), (506, 41096), (934, 22264), (968, 21482), (1012, 20548), (1868, 11132), (1936, 10741), (2024, 10274), (2783, 7472), (3736, 5566), (4048, 5137)]