20915228880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:428

約数の個数: 960

約数和(自身を含む): 93009047040

約数和(自身を除く): 72093818160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 19, 20, 21, 24, 26, 28, 30, 35, 36, 38, 39, 40, 42, 45, 48, 52, 53, 56, 57, 60, 63, 65, 70, 72, 76, 78, 80, 84, 90, 91, 95, 104, 105, 106, 112, 114, 117, 120, 126, 130, 133, 140, 144, 152, 156, 159, 168, 171, 180, 182, 190, 195, 208, 210, 212, 228, 234, 240, 247, 252, 260, 265, 266, 273, 280, 285, 304, 312, 315, 317, 318, 336, 342, 360, 364, 371, 380, 390, 399, 420, 424, 455, 456, 468, 477, 494, 504, 520, 530, 532, 546, 560, 570, 585, 624, 630, 634, 636, 665, 684, 689, 720, 728, 741, 742, 760, 780, 795, 798, 819, 840, 848, 855, 910, 912, 936, 951, 954, 988, 1007, 1008, 1040, 1060, 1064, 1092, 1113, 1140, 1170, 1197, 1235, 1260, 1268, 1272, 1330, 1365, 1368, 1378, 1456, 1482, 1484, 1520, 1560, 1585, 1590, 1596, 1638, 1680, 1710, 1729, 1820, 1855, 1872, 1902, 1908, 1976, 1995, 2014, 2067, 2120, 2128, 2184, 2219, 2223, 2226, 2280, 2340, 2385, 2394, 2470, 2520, 2536, 2544, 2660, 2730, 2736, 2756, 2853, 2964, 2968, 3021, 3120, 3170, 3180, 3192, 3276, 3339, 3420, 3445, 3458, 3640, 3705, 3710, 3804, 3816, 3952, 3990, 4028, 4095, 4121, 4134, 4240, 4368, 4438, 4446, 4452, 4560, 4680, 4755, 4770, 4788, 4823, 4940, 5035, 5040, 5072, 5187, 5320, 5460, 5512, 5565, 5706, 5928, 5936, 5985, 6023, 6042, 6201, 6340, 6360, 6384, 6552, 6657, 6678, 6840, 6890, 6916, 7049, 7280, 7410, 7420, 7608, 7632, 7980, 8056, 8190, 8242, 8268, 8645, 8876, 8892, 8904, 9063, 9360, 9510, 9540, 9576, 9646, 9880, 10070, 10335, 10374, 10640, 10920, 11024, 11095, 11115, 11130, 11412, 11856, 11970, 12046, 12084, 12363, 12402, 12680, 12720, 13091, 13104, 13314, 13356, 13680, 13780, 13832, 14098, 14265, 14469, 14820, 14840, 15105, 15216, 15561, 15960, 16112, 16380, 16484, 16536, 16695, 16801, 17290, 17752, 17784, 17808, 18069, 18126, 19020, 19080, 19152, 19292, 19760, 19971, 20140, 20605, 20670, 20748, 21147, 21840, 22190, 22230, 22260, 22824, 23940, 24092, 24115, 24168, 24726, 24804, 25360, 25935, 26182, 26628, 26712, 27560, 27664, 28196, 28530, 28847, 28938, 29640, 29680, 30115, 30210, 31005, 31122, 31920, 32760, 32968, 33072, 33285, 33390, 33602, 34580, 35245, 35504, 35568, 36138, 36252, 37089, 38040, 38160, 38584, 39273, 39942, 40280, 41210, 41340, 41496, 42161, 42294, 43407, 44380, 44460, 44520, 45315, 45648, 47880, 48184, 48230, 48336, 49452, 49608, 50403, 51870, 52364, 53256, 53424, 54207, 55120, 56392, 57060, 57694, 57876, 59280, 60230, 60420, 61815, 62010, 62244, 63441, 65455, 65520, 65936, 66570, 66780, 67204, 69160, 70490, 72276, 72345, 72504, 74178, 76080, 77168, 77805, 78299, 78546, 79884, 80560, 82420, 82680, 82992, 84005, 84322, 84588, 86541, 86814, 88760, 88920, 89040, 90345, 90630, 91637, 95760, 96368, 96460, 98904, 99216, 99855, 100806, 103740, 104728, 105735, 106512, 108414, 112784, 114120, 115388, 115752, 117607, 117819, 120460, 120840, 123630, 124020, 124488, 126483, 126882, 130910, 133140, 133560, 134408, 138320, 140980, 144235, 144552, 144690, 145008, 148356, 151209, 155610, 156598, 157092, 159768, 164840, 165360, 168010, 168644, 169176, 173082, 173628, 177520, 177840, 180690, 181260, 183274, 185445, 192920, 196365, 197808, 199710, 201612, 207480, 209456, 210805, 211470, 216828, 217035, 218413, 228240, 230776, 231504, 234897, 235214, 235638, 240920, 241680, 247260, 248040, 248976, 252015, 252966, 253764, 259623, 261820, 266280, 267120, 268816, 271035, 274911, 281960, 288470, 289104, 289380, 296712, 302418, 311220, 313196, 314184, 317205, 319219, 319536, 329680, 336020, 337288, 338352, 346164, 347256, 352821, 361380, 362520, 366548, 370890, 379449, 385840, 391495, 392730, 399420, 403224, 414960, 421610, 422940, 432705, 433656, 434070, 436826, 458185, 461552, 469794, 470428, 471276, 481840, 494520, 496080, 504030, 505932, 507528, 519246, 523640, 532560, 542070, 548093, 549822, 563920, 576940, 578760, 588035, 589095, 593424, 604836, 622440, 626392, 628368, 632415, 634410, 638438, 655239, 672040, 674576, 692328, 694512, 704691, 705642, 722760, 725040, 733096, 741780, 756045, 758898, 782990, 785460, 798840, 806448, 824733, 843220, 845880, 865410, 867312, 868140, 873652, 916370, 939588, 940856, 942552, 957657, 989040, 1008060, 1011864, 1015056, 1038492, 1047280, 1058463, 1084140, 1092065, 1096186, 1099644, 1153880, 1157520, 1174485, 1176070, 1178190, 1209672, 1244880, 1252784, 1264830, 1268820, 1276876, 1298115, 1310478, 1344080, 1374555, 1384656, 1409382, 1411284, 1445520, 1466192, 1483560, 1512090, 1517796, 1528891, 1565980, 1570920, 1596095, 1597680, 1644279, 1649466, 1686440, 1691760, 1730820, 1736280, 1747304, 1764105, 1832740, 1879176, 1881712, 1885104, 1897245, 1915314, 1965717, 2016120, 2023728, 2076984, 2116926, 2168280, 2184130, 2192372, 2199288, 2234533, 2307760, 2348970, 2352140, 2356380, 2419344, 2529660, 2537640, 2553752, 2596230, 2620956, 2740465, 2749110, 2818764, 2822568, 2872971, 2967120, 3024180, 3035592, 3057782, 3131960, 3141840, 3192190, 3276195, 3288558, 3298932, 3372880, 3461640, 3472560, 3494608, 3523455, 3528210, 3665480, 3758352, 3794490, 3830628, 3931434, 4032240, 4123665, 4149847, 4153968, 4233852, 4336560, 4368260, 4384744, 4398576, 4469066, 4586673, 4697940, 4704280, 4712760, 4788285, 4932837, 5059320, 5075280, 5107504, 5192460, 5241912, 5292315, 5480930, 5498220, 5637528, 5645136, 5745942, 6048360, 6071184, 6115564, 6263920, 6384380, 6552390, 6577116, 6597864, 6703599, 6923280, 7046910, 7056420, 7330960, 7588980, 7644455, 7661256, 7862868, 8221395, 8247330, 8299694, 8467704, 8736520, 8769488, 8938132, 9173346, 9395880, 9408560, 9425520, 9576570, 9828585, 9865674, 10118640, 10384920, 10483824, 10584630, 10961860, 10996440, 11172665, 11275056, 11491884, 12096720, 12231128, 12449541, 12768760, 13104780, 13154232, 13195728, 13407198, 13760019, 14093820, 14112840, 14364855, 15177960, 15288910, 15322512, 15725736, 16442790, 16494660, 16599388, 16935408, 17473040, 17876264, 18346692, 18791760, 19153140, 19657170, 19731348, 20110797, 20749235, 20769840, 21169260, 21923720, 21992880, 22345330, 22933365, 22983768, 24462256, 24664185, 24899082, 25537520, 26209560, 26308464, 26814396, 27520038, 28187640, 28225680, 28729710, 29048929, 30355920, 30577820, 31451472, 32885580, 32989320, 33198776, 33517995, 35752528, 36693384, 37348623, 38306280, 39314340, 39462696, 40221594, 41498470, 42338520, 43847440, 44690660, 45866730, 45967536, 49328370, 49798164, 52419120, 53628792, 55040076, 56375280, 57459420, 58097858, 61155640, 62247705, 65771160, 65978640, 66397552, 67035990, 68800095, 73386768, 74697246, 76612560, 78628680, 78925392, 80443188, 82996940, 84677040, 87146787, 89381320, 91733460, 98656740, 99596328, 100553985, 107257584, 110080152, 114918840, 116195716, 122311280, 124495410, 131542320, 134071980, 137600190, 145244645, 149394492, 157257360, 160886376, 165993880, 174293574, 178762640, 183466920, 186743115, 197313480, 199192656, 201107970, 220160304, 229837680, 232391432, 248990820, 261440361, 268143960, 275200380, 290489290, 298788984, 321772752, 331987760, 348587148, 366933840, 373486230, 394626960, 402215940, 435733935, 464782864, 497981640, 522880722, 536287920, 550400760, 580978580, 597577968, 697174296, 746972460, 804431880, 871467870, 995963280, 1045761444, 1100801520, 1161957160, 1307201805, 1394348592, 1493944920, 1608863760, 1742935740, 2091522888, 2323914320, 2614403610, 2987889840, 3485871480, 4183045776, 5228807220, 6971742960, 10457614440, 20915228880]

約数ペア:

[(1, 20915228880), (2, 10457614440), (3, 6971742960), (4, 5228807220), (5, 4183045776), (6, 3485871480), (7, 2987889840), (8, 2614403610), (9, 2323914320), (10, 2091522888), (12, 1742935740), (13, 1608863760), (14, 1493944920), (15, 1394348592), (16, 1307201805), (18, 1161957160), (19, 1100801520), (20, 1045761444), (21, 995963280), (24, 871467870), (26, 804431880), (28, 746972460), (30, 697174296), (35, 597577968), (36, 580978580), (38, 550400760), (39, 536287920), (40, 522880722), (42, 497981640), (45, 464782864), (48, 435733935), (52, 402215940), (53, 394626960), (56, 373486230), (57, 366933840), (60, 348587148), (63, 331987760), (65, 321772752), (70, 298788984), (72, 290489290), (76, 275200380), (78, 268143960), (80, 261440361), (84, 248990820), (90, 232391432), (91, 229837680), (95, 220160304), (104, 201107970), (105, 199192656), (106, 197313480), (112, 186743115), (114, 183466920), (117, 178762640), (120, 174293574), (126, 165993880), (130, 160886376), (133, 157257360), (140, 149394492), (144, 145244645), (152, 137600190), (156, 134071980), (159, 131542320), (168, 124495410), (171, 122311280), (180, 116195716), (182, 114918840), (190, 110080152), (195, 107257584), (208, 100553985), (210, 99596328), (212, 98656740), (228, 91733460), (234, 89381320), (240, 87146787), (247, 84677040), (252, 82996940), (260, 80443188), (265, 78925392), (266, 78628680), (273, 76612560), (280, 74697246), (285, 73386768), (304, 68800095), (312, 67035990), (315, 66397552), (317, 65978640), (318, 65771160), (336, 62247705), (342, 61155640), (360, 58097858), (364, 57459420), (371, 56375280), (380, 55040076), (390, 53628792), (399, 52419120), (420, 49798164), (424, 49328370), (455, 45967536), (456, 45866730), (468, 44690660), (477, 43847440), (494, 42338520), (504, 41498470), (520, 40221594), (530, 39462696), (532, 39314340), (546, 38306280), (560, 37348623), (570, 36693384), (585, 35752528), (624, 33517995), (630, 33198776), (634, 32989320), (636, 32885580), (665, 31451472), (684, 30577820), (689, 30355920), (720, 29048929), (728, 28729710), (741, 28225680), (742, 28187640), (760, 27520038), (780, 26814396), (795, 26308464), (798, 26209560), (819, 25537520), (840, 24899082), (848, 24664185), (855, 24462256), (910, 22983768), (912, 22933365), (936, 22345330), (951, 21992880), (954, 21923720), (988, 21169260), (1007, 20769840), (1008, 20749235), (1040, 20110797), (1060, 19731348), (1064, 19657170), (1092, 19153140), (1113, 18791760), (1140, 18346692), (1170, 17876264), (1197, 17473040), (1235, 16935408), (1260, 16599388), (1268, 16494660), (1272, 16442790), (1330, 15725736), (1365, 15322512), (1368, 15288910), (1378, 15177960), (1456, 14364855), (1482, 14112840), (1484, 14093820), (1520, 13760019), (1560, 13407198), (1585, 13195728), (1590, 13154232), (1596, 13104780), (1638, 12768760), (1680, 12449541), (1710, 12231128), (1729, 12096720), (1820, 11491884), (1855, 11275056), (1872, 11172665), (1902, 10996440), (1908, 10961860), (1976, 10584630), (1995, 10483824), (2014, 10384920), (2067, 10118640), (2120, 9865674), (2128, 9828585), (2184, 9576570), (2219, 9425520), (2223, 9408560), (2226, 9395880), (2280, 9173346), (2340, 8938132), (2385, 8769488), (2394, 8736520), (2470, 8467704), (2520, 8299694), (2536, 8247330), (2544, 8221395), (2660, 7862868), (2730, 7661256), (2736, 7644455), (2756, 7588980), (2853, 7330960), (2964, 7056420), (2968, 7046910), (3021, 6923280), (3120, 6703599), (3170, 6597864), (3180, 6577116), (3192, 6552390), (3276, 6384380), (3339, 6263920), (3420, 6115564), (3445, 6071184), (3458, 6048360), (3640, 5745942), (3705, 5645136), (3710, 5637528), (3804, 5498220), (3816, 5480930), (3952, 5292315), (3990, 5241912), (4028, 5192460), (4095, 5107504), (4121, 5075280), (4134, 5059320), (4240, 4932837), (4368, 4788285), (4438, 4712760), (4446, 4704280), (4452, 4697940), (4560, 4586673), (4680, 4469066), (4755, 4398576), (4770, 4384744), (4788, 4368260), (4823, 4336560), (4940, 4233852), (5035, 4153968), (5040, 4149847), (5072, 4123665), (5187, 4032240), (5320, 3931434), (5460, 3830628), (5512, 3794490), (5565, 3758352), (5706, 3665480), (5928, 3528210), (5936, 3523455), (5985, 3494608), (6023, 3472560), (6042, 3461640), (6201, 3372880), (6340, 3298932), (6360, 3288558), (6384, 3276195), (6552, 3192190), (6657, 3141840), (6678, 3131960), (6840, 3057782), (6890, 3035592), (6916, 3024180), (7049, 2967120), (7280, 2872971), (7410, 2822568), (7420, 2818764), (7608, 2749110), (7632, 2740465), (7980, 2620956), (8056, 2596230), (8190, 2553752), (8242, 2537640), (8268, 2529660), (8645, 2419344), (8876, 2356380), (8892, 2352140), (8904, 2348970), (9063, 2307760), (9360, 2234533), (9510, 2199288), (9540, 2192372), (9576, 2184130), (9646, 2168280), (9880, 2116926), (10070, 2076984), (10335, 2023728), (10374, 2016120), (10640, 1965717), (10920, 1915314), (11024, 1897245), (11095, 1885104), (11115, 1881712), (11130, 1879176), (11412, 1832740), (11856, 1764105), (11970, 1747304), (12046, 1736280), (12084, 1730820), (12363, 1691760), (12402, 1686440), (12680, 1649466), (12720, 1644279), (13091, 1597680), (13104, 1596095), (13314, 1570920), (13356, 1565980), (13680, 1528891), (13780, 1517796), (13832, 1512090), (14098, 1483560), (14265, 1466192), (14469, 1445520), (14820, 1411284), (14840, 1409382), (15105, 1384656), (15216, 1374555), (15561, 1344080), (15960, 1310478), (16112, 1298115), (16380, 1276876), (16484, 1268820), (16536, 1264830), (16695, 1252784), (16801, 1244880), (17290, 1209672), (17752, 1178190), (17784, 1176070), (17808, 1174485), (18069, 1157520), (18126, 1153880), (19020, 1099644), (19080, 1096186), (19152, 1092065), (19292, 1084140), (19760, 1058463), (19971, 1047280), (20140, 1038492), (20605, 1015056), (20670, 1011864), (20748, 1008060), (21147, 989040), (21840, 957657), (22190, 942552), (22230, 940856), (22260, 939588), (22824, 916370), (23940, 873652), (24092, 868140), (24115, 867312), (24168, 865410), (24726, 845880), (24804, 843220), (25360, 824733), (25935, 806448), (26182, 798840), (26628, 785460), (26712, 782990), (27560, 758898), (27664, 756045), (28196, 741780), (28530, 733096), (28847, 725040), (28938, 722760), (29640, 705642), (29680, 704691), (30115, 694512), (30210, 692328), (31005, 674576), (31122, 672040), (31920, 655239), (32760, 638438), (32968, 634410), (33072, 632415), (33285, 628368), (33390, 626392), (33602, 622440), (34580, 604836), (35245, 593424), (35504, 589095), (35568, 588035), (36138, 578760), (36252, 576940), (37089, 563920), (38040, 549822), (38160, 548093), (38584, 542070), (39273, 532560), (39942, 523640), (40280, 519246), (41210, 507528), (41340, 505932), (41496, 504030), (42161, 496080), (42294, 494520), (43407, 481840), (44380, 471276), (44460, 470428), (44520, 469794), (45315, 461552), (45648, 458185), (47880, 436826), (48184, 434070), (48230, 433656), (48336, 432705), (49452, 422940), (49608, 421610), (50403, 414960), (51870, 403224), (52364, 399420), (53256, 392730), (53424, 391495), (54207, 385840), (55120, 379449), (56392, 370890), (57060, 366548), (57694, 362520), (57876, 361380), (59280, 352821), (60230, 347256), (60420, 346164), (61815, 338352), (62010, 337288), (62244, 336020), (63441, 329680), (65455, 319536), (65520, 319219), (65936, 317205), (66570, 314184), (66780, 313196), (67204, 311220), (69160, 302418), (70490, 296712), (72276, 289380), (72345, 289104), (72504, 288470), (74178, 281960), (76080, 274911), (77168, 271035), (77805, 268816), (78299, 267120), (78546, 266280), (79884, 261820), (80560, 259623), (82420, 253764), (82680, 252966), (82992, 252015), (84005, 248976), (84322, 248040), (84588, 247260), (86541, 241680), (86814, 240920), (88760, 235638), (88920, 235214), (89040, 234897), (90345, 231504), (90630, 230776), (91637, 228240), (95760, 218413), (96368, 217035), (96460, 216828), (98904, 211470), (99216, 210805), (99855, 209456), (100806, 207480), (103740, 201612), (104728, 199710), (105735, 197808), (106512, 196365), (108414, 192920), (112784, 185445), (114120, 183274), (115388, 181260), (115752, 180690), (117607, 177840), (117819, 177520), (120460, 173628), (120840, 173082), (123630, 169176), (124020, 168644), (124488, 168010), (126483, 165360), (126882, 164840), (130910, 159768), (133140, 157092), (133560, 156598), (134408, 155610), (138320, 151209), (140980, 148356), (144235, 145008), (144552, 144690)]