20162787865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{259813}}^1$

素因数の和:259929

約数の個数: 32

約数和(自身を含む): 28284391296

約数和(自身を除く): 8121603431

約数列:

[1, 5, 11, 17, 55, 83, 85, 187, 415, 913, 935, 1411, 4565, 7055, 15521, 77605, 259813, 1299065, 2857943, 4416821, 14289715, 21564479, 22084105, 48585031, 107822395, 237209269, 242925155, 366596143, 1186046345, 1832980715, 4032557573, 20162787865]

約数ペア:

[(1, 20162787865), (5, 4032557573), (11, 1832980715), (17, 1186046345), (55, 366596143), (83, 242925155), (85, 237209269), (187, 107822395), (415, 48585031), (913, 22084105), (935, 21564479), (1411, 14289715), (4565, 4416821), (7055, 2857943), (15521, 1299065), (77605, 259813)]