20123486537

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{3323}}^1$

素因数の和:3474

約数の個数: 64

約数和(自身を含む): 26957905920

約数和(自身を除く): 6834419383

約数列:

[1, 7, 11, 31, 43, 59, 77, 217, 301, 341, 413, 473, 649, 1333, 1829, 2387, 2537, 3311, 3323, 4543, 9331, 12803, 14663, 17759, 20119, 23261, 27907, 36553, 78647, 102641, 103013, 140833, 142889, 195349, 196057, 255871, 550529, 721091, 865117, 1000223, 1133143, 1372399, 1571779, 2156627, 4429559, 6055819, 6077767, 7932001, 8430451, 11002453, 15096389, 31006913, 42544369, 48725149, 59013157, 66855437, 92734961, 261343981, 341076043, 467988059, 649144727, 1829407867, 2874783791, 20123486537]

約数ペア:

[(1, 20123486537), (7, 2874783791), (11, 1829407867), (31, 649144727), (43, 467988059), (59, 341076043), (77, 261343981), (217, 92734961), (301, 66855437), (341, 59013157), (413, 48725149), (473, 42544369), (649, 31006913), (1333, 15096389), (1829, 11002453), (2387, 8430451), (2537, 7932001), (3311, 6077767), (3323, 6055819), (4543, 4429559), (9331, 2156627), (12803, 1571779), (14663, 1372399), (17759, 1133143), (20119, 1000223), (23261, 865117), (27907, 721091), (36553, 550529), (78647, 255871), (102641, 196057), (103013, 195349), (140833, 142889)]