20496490728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{41911}}^1$

素因数の和:42039

約数の個数: 128

約数和(自身を含む): 60836106240

約数和(自身を除く): 40339615512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 71, 82, 84, 123, 142, 164, 168, 213, 246, 284, 287, 328, 426, 492, 497, 568, 574, 852, 861, 984, 994, 1148, 1491, 1704, 1722, 1988, 2296, 2911, 2982, 3444, 3976, 5822, 5964, 6888, 8733, 11644, 11928, 17466, 20377, 23288, 34932, 40754, 41911, 61131, 69864, 81508, 83822, 122262, 125733, 163016, 167644, 244524, 251466, 293377, 335288, 489048, 502932, 586754, 880131, 1005864, 1173508, 1718351, 1760262, 2347016, 2975681, 3436702, 3520524, 5155053, 5951362, 6873404, 7041048, 8927043, 10310106, 11902724, 12028457, 13746808, 17854086, 20620212, 20829767, 23805448, 24056914, 35708172, 36085371, 41240424, 41659534, 48113828, 62489301, 71416344, 72170742, 83319068, 96227656, 122002921, 124978602, 144341484, 166638136, 244005842, 249957204, 288682968, 366008763, 488011684, 499914408, 732017526, 854020447, 976023368, 1464035052, 1708040894, 2562061341, 2928070104, 3416081788, 5124122682, 6832163576, 10248245364, 20496490728]

約数ペア:

[(1, 20496490728), (2, 10248245364), (3, 6832163576), (4, 5124122682), (6, 3416081788), (7, 2928070104), (8, 2562061341), (12, 1708040894), (14, 1464035052), (21, 976023368), (24, 854020447), (28, 732017526), (41, 499914408), (42, 488011684), (56, 366008763), (71, 288682968), (82, 249957204), (84, 244005842), (123, 166638136), (142, 144341484), (164, 124978602), (168, 122002921), (213, 96227656), (246, 83319068), (284, 72170742), (287, 71416344), (328, 62489301), (426, 48113828), (492, 41659534), (497, 41240424), (568, 36085371), (574, 35708172), (852, 24056914), (861, 23805448), (984, 20829767), (994, 20620212), (1148, 17854086), (1491, 13746808), (1704, 12028457), (1722, 11902724), (1988, 10310106), (2296, 8927043), (2911, 7041048), (2982, 6873404), (3444, 5951362), (3976, 5155053), (5822, 3520524), (5964, 3436702), (6888, 2975681), (8733, 2347016), (11644, 1760262), (11928, 1718351), (17466, 1173508), (20377, 1005864), (23288, 880131), (34932, 586754), (40754, 502932), (41911, 489048), (61131, 335288), (69864, 293377), (81508, 251466), (83822, 244524), (122262, 167644), (125733, 163016)]