20179656728

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{607}}^1\times {\mathrm{1861}}^1$

素因数の和:2521

約数の個数: 128

約数和(自身を含む): 48906547200

約数和(自身を除く): 28726890472

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 29, 44, 56, 58, 77, 88, 116, 154, 203, 232, 308, 319, 406, 607, 616, 638, 812, 1214, 1276, 1624, 1861, 2233, 2428, 2552, 3722, 4249, 4466, 4856, 6677, 7444, 8498, 8932, 13027, 13354, 14888, 16996, 17603, 17864, 20471, 26054, 26708, 33992, 35206, 40942, 46739, 52108, 53416, 53969, 70412, 81884, 93478, 104216, 107938, 123221, 140824, 143297, 163768, 186956, 193633, 215876, 246442, 286594, 373912, 377783, 387266, 431752, 492884, 573188, 593659, 755566, 774532, 985768, 1129627, 1146376, 1187318, 1355431, 1511132, 1549064, 2259254, 2374636, 2710862, 3022264, 4155613, 4518508, 4749272, 5421724, 7907389, 8311226, 9037016, 10843448, 12425897, 15814778, 16622452, 24851794, 31629556, 32759183, 33244904, 49703588, 63259112, 65518366, 86981279, 99407176, 131036732, 173962558, 229314281, 262073464, 347925116, 360351013, 458628562, 695850232, 720702026, 917257124, 1441404052, 1834514248, 2522457091, 2882808104, 5044914182, 10089828364, 20179656728]

約数ペア:

[(1, 20179656728), (2, 10089828364), (4, 5044914182), (7, 2882808104), (8, 2522457091), (11, 1834514248), (14, 1441404052), (22, 917257124), (28, 720702026), (29, 695850232), (44, 458628562), (56, 360351013), (58, 347925116), (77, 262073464), (88, 229314281), (116, 173962558), (154, 131036732), (203, 99407176), (232, 86981279), (308, 65518366), (319, 63259112), (406, 49703588), (607, 33244904), (616, 32759183), (638, 31629556), (812, 24851794), (1214, 16622452), (1276, 15814778), (1624, 12425897), (1861, 10843448), (2233, 9037016), (2428, 8311226), (2552, 7907389), (3722, 5421724), (4249, 4749272), (4466, 4518508), (4856, 4155613), (6677, 3022264), (7444, 2710862), (8498, 2374636), (8932, 2259254), (13027, 1549064), (13354, 1511132), (14888, 1355431), (16996, 1187318), (17603, 1146376), (17864, 1129627), (20471, 985768), (26054, 774532), (26708, 755566), (33992, 593659), (35206, 573188), (40942, 492884), (46739, 431752), (52108, 387266), (53416, 377783), (53969, 373912), (70412, 286594), (81884, 246442), (93478, 215876), (104216, 193633), (107938, 186956), (123221, 163768), (140824, 143297)]