20989234728

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{40709}}^1$

素因数の和:40773

約数の個数: 256

約数和(自身を含む): 75036672000

約数和(自身を除く): 54047437272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 27, 28, 31, 33, 36, 42, 44, 54, 56, 62, 63, 66, 72, 77, 84, 88, 93, 99, 108, 124, 126, 132, 154, 168, 186, 189, 198, 216, 217, 231, 248, 252, 264, 279, 297, 308, 341, 372, 378, 396, 434, 462, 504, 558, 594, 616, 651, 682, 693, 744, 756, 792, 837, 868, 924, 1023, 1116, 1188, 1302, 1364, 1386, 1512, 1674, 1736, 1848, 1953, 2046, 2079, 2232, 2376, 2387, 2604, 2728, 2772, 3069, 3348, 3906, 4092, 4158, 4774, 5208, 5544, 5859, 6138, 6696, 7161, 7812, 8184, 8316, 9207, 9548, 11718, 12276, 14322, 15624, 16632, 18414, 19096, 21483, 23436, 24552, 28644, 36828, 40709, 42966, 46872, 57288, 64449, 73656, 81418, 85932, 122127, 128898, 162836, 171864, 244254, 257796, 284963, 325672, 366381, 447799, 488508, 515592, 569926, 732762, 854889, 895598, 977016, 1099143, 1139852, 1261979, 1343397, 1465524, 1709778, 1791196, 2198286, 2279704, 2523958, 2564667, 2686794, 2931048, 3134593, 3419556, 3582392, 3785937, 4030191, 4396572, 5047916, 5129334, 5373588, 6269186, 6839112, 7571874, 7694001, 8060382, 8793144, 8833853, 9403779, 10095832, 10258668, 10747176, 11357811, 12090573, 12538372, 13881769, 15143748, 15388002, 16120764, 17667706, 18807558, 20517336, 22715622, 24181146, 25076744, 26501559, 27763538, 28211337, 30287496, 30776004, 32241528, 34073433, 35335412, 37615116, 41645307, 45431244, 48362292, 53003118, 55527076, 56422674, 61552008, 68146866, 70670824, 75230232, 79504677, 83290614, 84634011, 90862488, 96724584, 97172383, 106006236, 111054152, 112845348, 124935921, 136293732, 159009354, 166581228, 169268022, 194344766, 212012472, 225690696, 238514031, 249871842, 272587464, 291517149, 318018708, 333162456, 338536044, 374807763, 388689532, 477028062, 499743684, 583034298, 636037416, 677072088, 749615526, 777379064, 874551447, 954056124, 999487368, 1166068596, 1499231052, 1749102894, 1908112248, 2332137192, 2623654341, 2998462104, 3498205788, 5247308682, 6996411576, 10494617364, 20989234728]

約数ペア:

[(1, 20989234728), (2, 10494617364), (3, 6996411576), (4, 5247308682), (6, 3498205788), (7, 2998462104), (8, 2623654341), (9, 2332137192), (11, 1908112248), (12, 1749102894), (14, 1499231052), (18, 1166068596), (21, 999487368), (22, 954056124), (24, 874551447), (27, 777379064), (28, 749615526), (31, 677072088), (33, 636037416), (36, 583034298), (42, 499743684), (44, 477028062), (54, 388689532), (56, 374807763), (62, 338536044), (63, 333162456), (66, 318018708), (72, 291517149), (77, 272587464), (84, 249871842), (88, 238514031), (93, 225690696), (99, 212012472), (108, 194344766), (124, 169268022), (126, 166581228), (132, 159009354), (154, 136293732), (168, 124935921), (186, 112845348), (189, 111054152), (198, 106006236), (216, 97172383), (217, 96724584), (231, 90862488), (248, 84634011), (252, 83290614), (264, 79504677), (279, 75230232), (297, 70670824), (308, 68146866), (341, 61552008), (372, 56422674), (378, 55527076), (396, 53003118), (434, 48362292), (462, 45431244), (504, 41645307), (558, 37615116), (594, 35335412), (616, 34073433), (651, 32241528), (682, 30776004), (693, 30287496), (744, 28211337), (756, 27763538), (792, 26501559), (837, 25076744), (868, 24181146), (924, 22715622), (1023, 20517336), (1116, 18807558), (1188, 17667706), (1302, 16120764), (1364, 15388002), (1386, 15143748), (1512, 13881769), (1674, 12538372), (1736, 12090573), (1848, 11357811), (1953, 10747176), (2046, 10258668), (2079, 10095832), (2232, 9403779), (2376, 8833853), (2387, 8793144), (2604, 8060382), (2728, 7694001), (2772, 7571874), (3069, 6839112), (3348, 6269186), (3906, 5373588), (4092, 5129334), (4158, 5047916), (4774, 4396572), (5208, 4030191), (5544, 3785937), (5859, 3582392), (6138, 3419556), (6696, 3134593), (7161, 2931048), (7812, 2686794), (8184, 2564667), (8316, 2523958), (9207, 2279704), (9548, 2198286), (11718, 1791196), (12276, 1709778), (14322, 1465524), (15624, 1343397), (16632, 1261979), (18414, 1139852), (19096, 1099143), (21483, 977016), (23436, 895598), (24552, 854889), (28644, 732762), (36828, 569926), (40709, 515592), (42966, 488508), (46872, 447799), (57288, 366381), (64449, 325672), (73656, 284963), (81418, 257796), (85932, 244254), (122127, 171864), (128898, 162836)]