20026468

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 46118016

約数和(自身を除く): 26091548

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 121, 154, 161, 242, 253, 257, 308, 322, 484, 506, 514, 644, 847, 1012, 1028, 1694, 1771, 1799, 2783, 2827, 3388, 3542, 3598, 5566, 5654, 5911, 7084, 7196, 11132, 11308, 11822, 19481, 19789, 23644, 31097, 38962, 39578, 41377, 62194, 65021, 77924, 79156, 82754, 124388, 130042, 165508, 217679, 260084, 435358, 455147, 715231, 870716, 910294, 1430462, 1820588, 2860924, 5006617, 10013234, 20026468]

約数ペア:

[(1, 20026468), (2, 10013234), (4, 5006617), (7, 2860924), (11, 1820588), (14, 1430462), (22, 910294), (23, 870716), (28, 715231), (44, 455147), (46, 435358), (77, 260084), (92, 217679), (121, 165508), (154, 130042), (161, 124388), (242, 82754), (253, 79156), (257, 77924), (308, 65021), (322, 62194), (484, 41377), (506, 39578), (514, 38962), (644, 31097), (847, 23644), (1012, 19789), (1028, 19481), (1694, 11822), (1771, 11308), (1799, 11132), (2783, 7196), (2827, 7084), (3388, 5911), (3542, 5654), (3598, 5566)]