20878504920

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3727}}^1$

素因数の和:3789

約数の個数: 640

約数和(自身を含む): 90939340800

約数和(自身を除く): 70060835880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 24, 26, 27, 28, 30, 35, 36, 38, 39, 40, 42, 45, 52, 54, 56, 57, 60, 63, 65, 70, 72, 76, 78, 81, 84, 90, 91, 95, 104, 105, 108, 114, 117, 120, 126, 130, 133, 135, 140, 152, 156, 162, 168, 171, 180, 182, 189, 190, 195, 210, 216, 228, 234, 247, 252, 260, 266, 270, 273, 280, 285, 312, 315, 324, 342, 351, 360, 364, 378, 380, 390, 399, 405, 420, 455, 456, 468, 494, 504, 513, 520, 532, 540, 546, 567, 570, 585, 630, 648, 665, 684, 702, 728, 741, 756, 760, 780, 798, 810, 819, 840, 855, 910, 936, 945, 988, 1026, 1053, 1064, 1080, 1092, 1134, 1140, 1170, 1197, 1235, 1260, 1330, 1365, 1368, 1404, 1482, 1512, 1539, 1560, 1596, 1620, 1638, 1710, 1729, 1755, 1820, 1890, 1976, 1995, 2052, 2106, 2184, 2223, 2268, 2280, 2340, 2394, 2457, 2470, 2520, 2565, 2660, 2730, 2808, 2835, 2964, 3078, 3192, 3240, 3276, 3420, 3458, 3510, 3591, 3640, 3705, 3727, 3780, 3990, 4095, 4104, 4212, 4446, 4536, 4680, 4788, 4914, 4940, 5130, 5187, 5265, 5320, 5460, 5670, 5928, 5985, 6156, 6552, 6669, 6840, 6916, 7020, 7182, 7371, 7410, 7454, 7560, 7695, 7980, 8190, 8424, 8645, 8892, 9576, 9828, 9880, 10260, 10374, 10530, 10773, 10920, 11115, 11181, 11340, 11970, 12285, 12312, 13338, 13832, 14040, 14364, 14742, 14820, 14908, 15390, 15561, 15960, 16380, 17290, 17784, 17955, 18635, 19656, 20007, 20520, 20748, 21060, 21546, 22230, 22362, 22680, 23940, 24570, 25935, 26089, 26676, 28728, 29484, 29640, 29816, 30780, 31122, 32760, 33345, 33543, 34580, 35910, 36855, 37270, 40014, 41496, 42120, 43092, 44460, 44724, 46683, 47880, 48451, 49140, 51870, 52178, 53352, 53865, 55905, 58968, 61560, 62244, 66690, 67086, 69160, 70813, 71820, 73710, 74540, 77805, 78267, 80028, 86184, 88920, 89448, 93366, 96902, 98280, 100035, 100629, 103740, 104356, 107730, 111810, 124488, 130445, 133380, 134172, 140049, 141626, 143640, 145353, 147420, 149080, 155610, 156534, 160056, 167715, 186732, 193804, 200070, 201258, 207480, 208712, 212439, 215460, 223620, 233415, 234801, 242255, 260890, 266760, 268344, 280098, 283252, 290706, 294840, 301887, 311220, 313068, 335430, 339157, 354065, 373464, 387608, 391335, 400140, 402516, 424878, 430920, 436059, 447240, 466830, 469602, 484510, 495691, 503145, 521780, 560196, 566504, 581412, 603774, 622440, 626136, 637317, 670860, 678314, 700245, 704403, 708130, 726765, 782670, 800280, 805032, 849756, 872118, 920569, 933660, 939204, 969020, 991382, 1006290, 1017471, 1043560, 1062195, 1120392, 1162824, 1174005, 1207548, 1274634, 1308177, 1341720, 1356628, 1400490, 1408806, 1416260, 1453530, 1487073, 1509435, 1565340, 1695785, 1699512, 1744236, 1841138, 1867320, 1878408, 1911951, 1938040, 1982764, 2012580, 2034942, 2113209, 2124390, 2180295, 2348010, 2415096, 2478455, 2549268, 2616354, 2713256, 2761707, 2800980, 2817612, 2832520, 2907060, 2974146, 3018870, 3052413, 3130680, 3186585, 3391570, 3488472, 3522015, 3682276, 3823902, 3924531, 3965528, 4025160, 4069884, 4226418, 4248780, 4360590, 4461219, 4602845, 4696020, 4956910, 5087355, 5098536, 5232708, 5523414, 5601960, 5635224, 5735853, 5814120, 5948292, 6037740, 6104826, 6373170, 6443983, 6540885, 6783140, 7044030, 7364552, 7435365, 7647804, 7849062, 8139768, 8285121, 8452836, 8497560, 8721180, 8922438, 9157239, 9205690, 9392040, 9559755, 9913820, 10174710, 10465416, 10566045, 11046828, 11471706, 11896584, 12075480, 12209652, 12746340, 12887966, 13081770, 13383657, 13566280, 13808535, 14088060, 14870730, 15262065, 15295608, 15698124, 16570242, 16905672, 17442360, 17844876, 18314478, 18411380, 19119510, 19331949, 19622655, 19827640, 20349420, 21132090, 22093656, 22306095, 22943412, 24419304, 24855363, 25492680, 25775932, 26163540, 26767314, 27471717, 27617070, 28176120, 28679265, 29741460, 30524130, 31396248, 32219915, 33140484, 35689752, 36628956, 36822760, 38239020, 38663898, 39245310, 40150971, 40698840, 41425605, 42264180, 44612190, 45786195, 45886824, 49710726, 51551864, 52327080, 53534628, 54943434, 55234140, 57358530, 57995847, 59482920, 61048260, 64439830, 66280968, 66918285, 73257912, 74566089, 76478040, 77327796, 78490620, 80301942, 82851210, 84528360, 89224380, 91572390, 96659745, 99421452, 107069256, 109886868, 110468280, 114717060, 115991694, 122096520, 124276815, 128879660, 133836570, 137358585, 149132178, 154655592, 156981240, 160603884, 165702420, 173987541, 178448760, 183144780, 193319490, 198842904, 200754855, 219773736, 229434120, 231983388, 248553630, 257759320, 267673140, 274717170, 289979235, 298264356, 321207768, 331404840, 347975082, 366289560, 372830445, 386638980, 401509710, 463966776, 497107260, 521962623, 535346280, 549434340, 579958470, 596528712, 695950164, 745660890, 773277960, 803019420, 869937705, 994214520, 1043925246, 1098868680, 1159916940, 1391900328, 1491321780, 1606038840, 1739875410, 2087850492, 2319833880, 2609813115, 2982643560, 3479750820, 4175700984, 5219626230, 6959501640, 10439252460, 20878504920]

約数ペア:

[(1, 20878504920), (2, 10439252460), (3, 6959501640), (4, 5219626230), (5, 4175700984), (6, 3479750820), (7, 2982643560), (8, 2609813115), (9, 2319833880), (10, 2087850492), (12, 1739875410), (13, 1606038840), (14, 1491321780), (15, 1391900328), (18, 1159916940), (19, 1098868680), (20, 1043925246), (21, 994214520), (24, 869937705), (26, 803019420), (27, 773277960), (28, 745660890), (30, 695950164), (35, 596528712), (36, 579958470), (38, 549434340), (39, 535346280), (40, 521962623), (42, 497107260), (45, 463966776), (52, 401509710), (54, 386638980), (56, 372830445), (57, 366289560), (60, 347975082), (63, 331404840), (65, 321207768), (70, 298264356), (72, 289979235), (76, 274717170), (78, 267673140), (81, 257759320), (84, 248553630), (90, 231983388), (91, 229434120), (95, 219773736), (104, 200754855), (105, 198842904), (108, 193319490), (114, 183144780), (117, 178448760), (120, 173987541), (126, 165702420), (130, 160603884), (133, 156981240), (135, 154655592), (140, 149132178), (152, 137358585), (156, 133836570), (162, 128879660), (168, 124276815), (171, 122096520), (180, 115991694), (182, 114717060), (189, 110468280), (190, 109886868), (195, 107069256), (210, 99421452), (216, 96659745), (228, 91572390), (234, 89224380), (247, 84528360), (252, 82851210), (260, 80301942), (266, 78490620), (270, 77327796), (273, 76478040), (280, 74566089), (285, 73257912), (312, 66918285), (315, 66280968), (324, 64439830), (342, 61048260), (351, 59482920), (360, 57995847), (364, 57358530), (378, 55234140), (380, 54943434), (390, 53534628), (399, 52327080), (405, 51551864), (420, 49710726), (455, 45886824), (456, 45786195), (468, 44612190), (494, 42264180), (504, 41425605), (513, 40698840), (520, 40150971), (532, 39245310), (540, 38663898), (546, 38239020), (567, 36822760), (570, 36628956), (585, 35689752), (630, 33140484), (648, 32219915), (665, 31396248), (684, 30524130), (702, 29741460), (728, 28679265), (741, 28176120), (756, 27617070), (760, 27471717), (780, 26767314), (798, 26163540), (810, 25775932), (819, 25492680), (840, 24855363), (855, 24419304), (910, 22943412), (936, 22306095), (945, 22093656), (988, 21132090), (1026, 20349420), (1053, 19827640), (1064, 19622655), (1080, 19331949), (1092, 19119510), (1134, 18411380), (1140, 18314478), (1170, 17844876), (1197, 17442360), (1235, 16905672), (1260, 16570242), (1330, 15698124), (1365, 15295608), (1368, 15262065), (1404, 14870730), (1482, 14088060), (1512, 13808535), (1539, 13566280), (1560, 13383657), (1596, 13081770), (1620, 12887966), (1638, 12746340), (1710, 12209652), (1729, 12075480), (1755, 11896584), (1820, 11471706), (1890, 11046828), (1976, 10566045), (1995, 10465416), (2052, 10174710), (2106, 9913820), (2184, 9559755), (2223, 9392040), (2268, 9205690), (2280, 9157239), (2340, 8922438), (2394, 8721180), (2457, 8497560), (2470, 8452836), (2520, 8285121), (2565, 8139768), (2660, 7849062), (2730, 7647804), (2808, 7435365), (2835, 7364552), (2964, 7044030), (3078, 6783140), (3192, 6540885), (3240, 6443983), (3276, 6373170), (3420, 6104826), (3458, 6037740), (3510, 5948292), (3591, 5814120), (3640, 5735853), (3705, 5635224), (3727, 5601960), (3780, 5523414), (3990, 5232708), (4095, 5098536), (4104, 5087355), (4212, 4956910), (4446, 4696020), (4536, 4602845), (4680, 4461219), (4788, 4360590), (4914, 4248780), (4940, 4226418), (5130, 4069884), (5187, 4025160), (5265, 3965528), (5320, 3924531), (5460, 3823902), (5670, 3682276), (5928, 3522015), (5985, 3488472), (6156, 3391570), (6552, 3186585), (6669, 3130680), (6840, 3052413), (6916, 3018870), (7020, 2974146), (7182, 2907060), (7371, 2832520), (7410, 2817612), (7454, 2800980), (7560, 2761707), (7695, 2713256), (7980, 2616354), (8190, 2549268), (8424, 2478455), (8645, 2415096), (8892, 2348010), (9576, 2180295), (9828, 2124390), (9880, 2113209), (10260, 2034942), (10374, 2012580), (10530, 1982764), (10773, 1938040), (10920, 1911951), (11115, 1878408), (11181, 1867320), (11340, 1841138), (11970, 1744236), (12285, 1699512), (12312, 1695785), (13338, 1565340), (13832, 1509435), (14040, 1487073), (14364, 1453530), (14742, 1416260), (14820, 1408806), (14908, 1400490), (15390, 1356628), (15561, 1341720), (15960, 1308177), (16380, 1274634), (17290, 1207548), (17784, 1174005), (17955, 1162824), (18635, 1120392), (19656, 1062195), (20007, 1043560), (20520, 1017471), (20748, 1006290), (21060, 991382), (21546, 969020), (22230, 939204), (22362, 933660), (22680, 920569), (23940, 872118), (24570, 849756), (25935, 805032), (26089, 800280), (26676, 782670), (28728, 726765), (29484, 708130), (29640, 704403), (29816, 700245), (30780, 678314), (31122, 670860), (32760, 637317), (33345, 626136), (33543, 622440), (34580, 603774), (35910, 581412), (36855, 566504), (37270, 560196), (40014, 521780), (41496, 503145), (42120, 495691), (43092, 484510), (44460, 469602), (44724, 466830), (46683, 447240), (47880, 436059), (48451, 430920), (49140, 424878), (51870, 402516), (52178, 400140), (53352, 391335), (53865, 387608), (55905, 373464), (58968, 354065), (61560, 339157), (62244, 335430), (66690, 313068), (67086, 311220), (69160, 301887), (70813, 294840), (71820, 290706), (73710, 283252), (74540, 280098), (77805, 268344), (78267, 266760), (80028, 260890), (86184, 242255), (88920, 234801), (89448, 233415), (93366, 223620), (96902, 215460), (98280, 212439), (100035, 208712), (100629, 207480), (103740, 201258), (104356, 200070), (107730, 193804), (111810, 186732), (124488, 167715), (130445, 160056), (133380, 156534), (134172, 155610), (140049, 149080), (141626, 147420), (143640, 145353)]