20172748799

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{13619}}^1$

素因数の和:13732

約数の個数: 48

約数和(自身を含む): 25960809600

約数和(自身を除く): 5788060801

約数列:

[1, 7, 19, 37, 43, 49, 133, 259, 301, 703, 817, 931, 1591, 1813, 2107, 4921, 5719, 11137, 13619, 30229, 34447, 40033, 77959, 95333, 211603, 258761, 503903, 585617, 667331, 1481221, 1811327, 3527321, 4099319, 9574157, 11126723, 12679289, 21667829, 24691247, 28695233, 67019099, 77887061, 151674803, 411688751, 469133693, 545209427, 1061723621, 2881821257, 20172748799]

約数ペア:

[(1, 20172748799), (7, 2881821257), (19, 1061723621), (37, 545209427), (43, 469133693), (49, 411688751), (133, 151674803), (259, 77887061), (301, 67019099), (703, 28695233), (817, 24691247), (931, 21667829), (1591, 12679289), (1813, 11126723), (2107, 9574157), (4921, 4099319), (5719, 3527321), (11137, 1811327), (13619, 1481221), (30229, 667331), (34447, 585617), (40033, 503903), (77959, 258761), (95333, 211603)]