20604848

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{367}}^1$

素因数の和:426

約数の個数: 60

約数和(自身を含む): 45517920

約数和(自身を除く): 24913072

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 121, 176, 232, 242, 319, 367, 464, 484, 638, 734, 968, 1276, 1468, 1936, 2552, 2936, 3509, 4037, 5104, 5872, 7018, 8074, 10643, 14036, 16148, 21286, 28072, 32296, 42572, 44407, 56144, 64592, 85144, 88814, 117073, 170288, 177628, 234146, 355256, 468292, 710512, 936584, 1287803, 1873168, 2575606, 5151212, 10302424, 20604848]

約数ペア:

[(1, 20604848), (2, 10302424), (4, 5151212), (8, 2575606), (11, 1873168), (16, 1287803), (22, 936584), (29, 710512), (44, 468292), (58, 355256), (88, 234146), (116, 177628), (121, 170288), (176, 117073), (232, 88814), (242, 85144), (319, 64592), (367, 56144), (464, 44407), (484, 42572), (638, 32296), (734, 28072), (968, 21286), (1276, 16148), (1468, 14036), (1936, 10643), (2552, 8074), (2936, 7018), (3509, 5872), (4037, 5104)]