20648039328

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8837}}^1$

素因数の和:8940

約数の個数: 288

約数和(自身を含む): 71804154240

約数和(自身を除く): 51156114912

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 56, 57, 61, 63, 72, 76, 84, 96, 112, 114, 122, 126, 133, 144, 152, 168, 171, 183, 224, 228, 244, 252, 266, 288, 304, 336, 342, 366, 399, 427, 456, 488, 504, 532, 549, 608, 672, 684, 732, 798, 854, 912, 976, 1008, 1064, 1098, 1159, 1197, 1281, 1368, 1464, 1596, 1708, 1824, 1952, 2016, 2128, 2196, 2318, 2394, 2562, 2736, 2928, 3192, 3416, 3477, 3843, 4256, 4392, 4636, 4788, 5124, 5472, 5856, 6384, 6832, 6954, 7686, 8113, 8784, 8837, 9272, 9576, 10248, 10431, 12768, 13664, 13908, 15372, 16226, 17568, 17674, 18544, 19152, 20496, 20862, 24339, 26511, 27816, 30744, 32452, 35348, 37088, 38304, 40992, 41724, 48678, 53022, 55632, 61488, 61859, 64904, 70696, 73017, 79533, 83448, 97356, 106044, 111264, 122976, 123718, 129808, 141392, 146034, 159066, 166896, 167903, 185577, 194712, 212088, 247436, 259616, 282784, 292068, 318132, 333792, 335806, 371154, 389424, 424176, 494872, 503709, 539057, 556731, 584136, 636264, 671612, 742308, 778848, 848352, 989744, 1007418, 1078114, 1113462, 1168272, 1175321, 1272528, 1343224, 1484616, 1511127, 1617171, 1979488, 2014836, 2156228, 2226924, 2336544, 2350642, 2545056, 2686448, 2969232, 3022254, 3234342, 3525963, 3773399, 4029672, 4312456, 4453848, 4701284, 4851513, 5372896, 5938464, 6044508, 6468684, 7051926, 7546798, 8059344, 8624912, 8907696, 9402568, 9703026, 10242083, 10577889, 11320197, 12089016, 12937368, 14103852, 15093596, 16118688, 17249824, 17815392, 18805136, 19406052, 20484166, 21155778, 22640394, 24178032, 25874736, 28207704, 30187192, 30726249, 33960591, 37610272, 38812104, 40968332, 42311556, 45280788, 48356064, 51749472, 56415408, 60374384, 61452498, 67921182, 71694581, 77624208, 81936664, 84623112, 90561576, 92178747, 112830816, 120748768, 122904996, 135842364, 143389162, 155248416, 163873328, 169246224, 181123152, 184357494, 215083743, 245809992, 271684728, 286778324, 327746656, 338492448, 362246304, 368714988, 430167486, 491619984, 543369456, 573556648, 645251229, 737429976, 860334972, 983239968, 1086738912, 1147113296, 1290502458, 1474859952, 1720669944, 2294226592, 2581004916, 2949719904, 3441339888, 5162009832, 6882679776, 10324019664, 20648039328]

約数ペア:

[(1, 20648039328), (2, 10324019664), (3, 6882679776), (4, 5162009832), (6, 3441339888), (7, 2949719904), (8, 2581004916), (9, 2294226592), (12, 1720669944), (14, 1474859952), (16, 1290502458), (18, 1147113296), (19, 1086738912), (21, 983239968), (24, 860334972), (28, 737429976), (32, 645251229), (36, 573556648), (38, 543369456), (42, 491619984), (48, 430167486), (56, 368714988), (57, 362246304), (61, 338492448), (63, 327746656), (72, 286778324), (76, 271684728), (84, 245809992), (96, 215083743), (112, 184357494), (114, 181123152), (122, 169246224), (126, 163873328), (133, 155248416), (144, 143389162), (152, 135842364), (168, 122904996), (171, 120748768), (183, 112830816), (224, 92178747), (228, 90561576), (244, 84623112), (252, 81936664), (266, 77624208), (288, 71694581), (304, 67921182), (336, 61452498), (342, 60374384), (366, 56415408), (399, 51749472), (427, 48356064), (456, 45280788), (488, 42311556), (504, 40968332), (532, 38812104), (549, 37610272), (608, 33960591), (672, 30726249), (684, 30187192), (732, 28207704), (798, 25874736), (854, 24178032), (912, 22640394), (976, 21155778), (1008, 20484166), (1064, 19406052), (1098, 18805136), (1159, 17815392), (1197, 17249824), (1281, 16118688), (1368, 15093596), (1464, 14103852), (1596, 12937368), (1708, 12089016), (1824, 11320197), (1952, 10577889), (2016, 10242083), (2128, 9703026), (2196, 9402568), (2318, 8907696), (2394, 8624912), (2562, 8059344), (2736, 7546798), (2928, 7051926), (3192, 6468684), (3416, 6044508), (3477, 5938464), (3843, 5372896), (4256, 4851513), (4392, 4701284), (4636, 4453848), (4788, 4312456), (5124, 4029672), (5472, 3773399), (5856, 3525963), (6384, 3234342), (6832, 3022254), (6954, 2969232), (7686, 2686448), (8113, 2545056), (8784, 2350642), (8837, 2336544), (9272, 2226924), (9576, 2156228), (10248, 2014836), (10431, 1979488), (12768, 1617171), (13664, 1511127), (13908, 1484616), (15372, 1343224), (16226, 1272528), (17568, 1175321), (17674, 1168272), (18544, 1113462), (19152, 1078114), (20496, 1007418), (20862, 989744), (24339, 848352), (26511, 778848), (27816, 742308), (30744, 671612), (32452, 636264), (35348, 584136), (37088, 556731), (38304, 539057), (40992, 503709), (41724, 494872), (48678, 424176), (53022, 389424), (55632, 371154), (61488, 335806), (61859, 333792), (64904, 318132), (70696, 292068), (73017, 282784), (79533, 259616), (83448, 247436), (97356, 212088), (106044, 194712), (111264, 185577), (122976, 167903), (123718, 166896), (129808, 159066), (141392, 146034)]