20195791616

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1487}}^1$

素因数の和:1587

約数の個数: 288

約数和(自身を含む): 55184467968

約数和(自身を除く): 34988676352

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 53, 56, 64, 77, 88, 91, 104, 106, 112, 128, 143, 154, 176, 182, 208, 212, 224, 256, 286, 308, 352, 364, 371, 416, 424, 448, 572, 583, 616, 689, 704, 728, 742, 832, 848, 896, 1001, 1144, 1166, 1232, 1378, 1408, 1456, 1484, 1487, 1664, 1696, 1792, 2002, 2288, 2332, 2464, 2756, 2816, 2912, 2968, 2974, 3328, 3392, 4004, 4081, 4576, 4664, 4823, 4928, 5512, 5824, 5936, 5948, 6784, 7579, 8008, 8162, 9152, 9328, 9646, 9856, 10409, 11024, 11648, 11872, 11896, 13568, 15158, 16016, 16324, 16357, 18304, 18656, 19292, 19331, 19712, 20818, 22048, 23296, 23744, 23792, 30316, 32032, 32648, 32714, 36608, 37312, 38584, 38662, 41636, 44096, 47488, 47584, 53053, 60632, 64064, 65296, 65428, 74624, 77168, 77324, 78811, 83272, 88192, 94976, 95168, 106106, 114499, 121264, 128128, 130592, 130856, 135317, 149248, 154336, 154648, 157622, 166544, 176384, 190336, 212212, 212641, 228998, 242528, 256256, 261184, 261712, 270634, 308672, 309296, 315244, 333088, 380672, 424424, 425282, 457996, 485056, 522368, 523424, 541268, 551677, 617344, 618592, 630488, 666176, 848848, 850564, 866921, 915992, 970112, 1024543, 1044736, 1046848, 1082536, 1103354, 1234688, 1237184, 1260976, 1332352, 1488487, 1697696, 1701128, 1733842, 1831984, 1940224, 2049086, 2093696, 2165072, 2206708, 2474368, 2521952, 2664704, 2976974, 3395392, 3402256, 3467684, 3663968, 4098172, 4187392, 4330144, 4413416, 4948736, 5043904, 5953948, 6068447, 6790784, 6804512, 6935368, 7171801, 7327936, 8196344, 8660288, 8826832, 10087808, 11269973, 11907896, 12136894, 13581568, 13609024, 13870736, 14343602, 14655872, 16392688, 17320576, 17653664, 20175616, 22539946, 23815792, 24273788, 27218048, 27741472, 28687204, 29311744, 32785376, 34641152, 35307328, 45079892, 47631584, 48547576, 54436096, 55482944, 57374408, 65570752, 70614656, 78889811, 90159784, 95263168, 97095152, 110965888, 114748816, 131141504, 141229312, 157779622, 180319568, 190526336, 194190304, 221931776, 229497632, 262283008, 315559244, 360639136, 381052672, 388380608, 458995264, 631118488, 721278272, 776761216, 917990528, 1262236976, 1442556544, 1553522432, 1835981056, 2524473952, 2885113088, 5048947904, 10097895808, 20195791616]

約数ペア:

[(1, 20195791616), (2, 10097895808), (4, 5048947904), (7, 2885113088), (8, 2524473952), (11, 1835981056), (13, 1553522432), (14, 1442556544), (16, 1262236976), (22, 917990528), (26, 776761216), (28, 721278272), (32, 631118488), (44, 458995264), (52, 388380608), (53, 381052672), (56, 360639136), (64, 315559244), (77, 262283008), (88, 229497632), (91, 221931776), (104, 194190304), (106, 190526336), (112, 180319568), (128, 157779622), (143, 141229312), (154, 131141504), (176, 114748816), (182, 110965888), (208, 97095152), (212, 95263168), (224, 90159784), (256, 78889811), (286, 70614656), (308, 65570752), (352, 57374408), (364, 55482944), (371, 54436096), (416, 48547576), (424, 47631584), (448, 45079892), (572, 35307328), (583, 34641152), (616, 32785376), (689, 29311744), (704, 28687204), (728, 27741472), (742, 27218048), (832, 24273788), (848, 23815792), (896, 22539946), (1001, 20175616), (1144, 17653664), (1166, 17320576), (1232, 16392688), (1378, 14655872), (1408, 14343602), (1456, 13870736), (1484, 13609024), (1487, 13581568), (1664, 12136894), (1696, 11907896), (1792, 11269973), (2002, 10087808), (2288, 8826832), (2332, 8660288), (2464, 8196344), (2756, 7327936), (2816, 7171801), (2912, 6935368), (2968, 6804512), (2974, 6790784), (3328, 6068447), (3392, 5953948), (4004, 5043904), (4081, 4948736), (4576, 4413416), (4664, 4330144), (4823, 4187392), (4928, 4098172), (5512, 3663968), (5824, 3467684), (5936, 3402256), (5948, 3395392), (6784, 2976974), (7579, 2664704), (8008, 2521952), (8162, 2474368), (9152, 2206708), (9328, 2165072), (9646, 2093696), (9856, 2049086), (10409, 1940224), (11024, 1831984), (11648, 1733842), (11872, 1701128), (11896, 1697696), (13568, 1488487), (15158, 1332352), (16016, 1260976), (16324, 1237184), (16357, 1234688), (18304, 1103354), (18656, 1082536), (19292, 1046848), (19331, 1044736), (19712, 1024543), (20818, 970112), (22048, 915992), (23296, 866921), (23744, 850564), (23792, 848848), (30316, 666176), (32032, 630488), (32648, 618592), (32714, 617344), (36608, 551677), (37312, 541268), (38584, 523424), (38662, 522368), (41636, 485056), (44096, 457996), (47488, 425282), (47584, 424424), (53053, 380672), (60632, 333088), (64064, 315244), (65296, 309296), (65428, 308672), (74624, 270634), (77168, 261712), (77324, 261184), (78811, 256256), (83272, 242528), (88192, 228998), (94976, 212641), (95168, 212212), (106106, 190336), (114499, 176384), (121264, 166544), (128128, 157622), (130592, 154648), (130856, 154336), (135317, 149248)]