20780592

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2689}}^1$

素因数の和:2730

約数の個数: 80

約数和(自身を含む): 64043520

約数和(自身を除く): 43262928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 69, 84, 92, 112, 138, 161, 168, 184, 276, 322, 336, 368, 483, 552, 644, 966, 1104, 1288, 1932, 2576, 2689, 3864, 5378, 7728, 8067, 10756, 16134, 18823, 21512, 32268, 37646, 43024, 56469, 61847, 64536, 75292, 112938, 123694, 129072, 150584, 185541, 225876, 247388, 301168, 371082, 432929, 451752, 494776, 742164, 865858, 903504, 989552, 1298787, 1484328, 1731716, 2597574, 2968656, 3463432, 5195148, 6926864, 10390296, 20780592]

約数ペア:

[(1, 20780592), (2, 10390296), (3, 6926864), (4, 5195148), (6, 3463432), (7, 2968656), (8, 2597574), (12, 1731716), (14, 1484328), (16, 1298787), (21, 989552), (23, 903504), (24, 865858), (28, 742164), (42, 494776), (46, 451752), (48, 432929), (56, 371082), (69, 301168), (84, 247388), (92, 225876), (112, 185541), (138, 150584), (161, 129072), (168, 123694), (184, 112938), (276, 75292), (322, 64536), (336, 61847), (368, 56469), (483, 43024), (552, 37646), (644, 32268), (966, 21512), (1104, 18823), (1288, 16134), (1932, 10756), (2576, 8067), (2689, 7728), (3864, 5378)]