20905079520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4583}}^1$

素因数の和:4674

約数の個数: 384

約数和(自身を含む): 76851016704

約数和(自身を除く): 55945937184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 32, 34, 39, 40, 43, 48, 51, 52, 60, 65, 68, 78, 80, 85, 86, 96, 102, 104, 120, 129, 130, 136, 156, 160, 170, 172, 195, 204, 208, 215, 221, 240, 255, 258, 260, 272, 312, 340, 344, 390, 408, 416, 430, 442, 480, 510, 516, 520, 544, 559, 624, 645, 663, 680, 688, 731, 780, 816, 860, 884, 1020, 1032, 1040, 1105, 1118, 1248, 1290, 1326, 1360, 1376, 1462, 1560, 1632, 1677, 1720, 1768, 2040, 2064, 2080, 2193, 2210, 2236, 2580, 2652, 2720, 2795, 2924, 3120, 3315, 3354, 3440, 3536, 3655, 4080, 4128, 4386, 4420, 4472, 4583, 5160, 5304, 5590, 5848, 6240, 6630, 6708, 6880, 7072, 7310, 8160, 8385, 8772, 8840, 8944, 9166, 9503, 10320, 10608, 10965, 11180, 11696, 13260, 13416, 13749, 14620, 16770, 17544, 17680, 17888, 18332, 19006, 20640, 21216, 21930, 22360, 22915, 23392, 26520, 26832, 27498, 28509, 29240, 33540, 35088, 35360, 36664, 38012, 43860, 44720, 45830, 47515, 53040, 53664, 54996, 57018, 58480, 59579, 67080, 68745, 70176, 73328, 76024, 77911, 87720, 89440, 91660, 95030, 106080, 109992, 114036, 116960, 119158, 134160, 137490, 142545, 146656, 152048, 155822, 175440, 178737, 183320, 190060, 197069, 219984, 228072, 233733, 238316, 268320, 274980, 285090, 297895, 304096, 311644, 350880, 357474, 366640, 380120, 389555, 394138, 439968, 456144, 467466, 476632, 549960, 570180, 591207, 595790, 623288, 714948, 733280, 760240, 779110, 788276, 893685, 912288, 934932, 953264, 985345, 1012843, 1099920, 1140360, 1168665, 1182414, 1191580, 1246576, 1429896, 1520480, 1558220, 1576552, 1787370, 1869864, 1906528, 1970690, 2025686, 2199840, 2280720, 2337330, 2364828, 2383160, 2493152, 2561897, 2859792, 2956035, 3038529, 3116440, 3153104, 3350173, 3574740, 3739728, 3941380, 4051372, 4561440, 4674660, 4729656, 4766320, 5064215, 5123794, 5719584, 5912070, 6077058, 6232880, 6306208, 6700346, 7149480, 7479456, 7685691, 7882760, 8102744, 9349320, 9459312, 9532640, 10050519, 10128430, 10247588, 11824140, 12154116, 12465760, 12809485, 13400692, 14298960, 15192645, 15371382, 15765520, 16205488, 16750865, 18698640, 18918624, 20101038, 20256860, 20495176, 23648280, 24308232, 25618970, 26801384, 28597920, 30385290, 30742764, 31531040, 32410976, 33501730, 37397280, 38428455, 40202076, 40513720, 40990352, 43552249, 47296560, 48616464, 50252595, 51237940, 53602768, 60770580, 61485528, 67003460, 76856910, 80404152, 81027440, 81980704, 87104498, 94593120, 97232928, 100505190, 102475880, 107205536, 121541160, 122971056, 130656747, 134006920, 153713820, 160808304, 162054880, 174208996, 201010380, 204951760, 217761245, 243082320, 245942112, 261313494, 268013840, 307427640, 321616608, 348417992, 402020760, 409903520, 435522490, 486164640, 522626988, 536027680, 614855280, 653283735, 696835984, 804041520, 871044980, 1045253976, 1229710560, 1306567470, 1393671968, 1608083040, 1742089960, 2090507952, 2613134940, 3484179920, 4181015904, 5226269880, 6968359840, 10452539760, 20905079520]

約数ペア:

[(1, 20905079520), (2, 10452539760), (3, 6968359840), (4, 5226269880), (5, 4181015904), (6, 3484179920), (8, 2613134940), (10, 2090507952), (12, 1742089960), (13, 1608083040), (15, 1393671968), (16, 1306567470), (17, 1229710560), (20, 1045253976), (24, 871044980), (26, 804041520), (30, 696835984), (32, 653283735), (34, 614855280), (39, 536027680), (40, 522626988), (43, 486164640), (48, 435522490), (51, 409903520), (52, 402020760), (60, 348417992), (65, 321616608), (68, 307427640), (78, 268013840), (80, 261313494), (85, 245942112), (86, 243082320), (96, 217761245), (102, 204951760), (104, 201010380), (120, 174208996), (129, 162054880), (130, 160808304), (136, 153713820), (156, 134006920), (160, 130656747), (170, 122971056), (172, 121541160), (195, 107205536), (204, 102475880), (208, 100505190), (215, 97232928), (221, 94593120), (240, 87104498), (255, 81980704), (258, 81027440), (260, 80404152), (272, 76856910), (312, 67003460), (340, 61485528), (344, 60770580), (390, 53602768), (408, 51237940), (416, 50252595), (430, 48616464), (442, 47296560), (480, 43552249), (510, 40990352), (516, 40513720), (520, 40202076), (544, 38428455), (559, 37397280), (624, 33501730), (645, 32410976), (663, 31531040), (680, 30742764), (688, 30385290), (731, 28597920), (780, 26801384), (816, 25618970), (860, 24308232), (884, 23648280), (1020, 20495176), (1032, 20256860), (1040, 20101038), (1105, 18918624), (1118, 18698640), (1248, 16750865), (1290, 16205488), (1326, 15765520), (1360, 15371382), (1376, 15192645), (1462, 14298960), (1560, 13400692), (1632, 12809485), (1677, 12465760), (1720, 12154116), (1768, 11824140), (2040, 10247588), (2064, 10128430), (2080, 10050519), (2193, 9532640), (2210, 9459312), (2236, 9349320), (2580, 8102744), (2652, 7882760), (2720, 7685691), (2795, 7479456), (2924, 7149480), (3120, 6700346), (3315, 6306208), (3354, 6232880), (3440, 6077058), (3536, 5912070), (3655, 5719584), (4080, 5123794), (4128, 5064215), (4386, 4766320), (4420, 4729656), (4472, 4674660), (4583, 4561440), (5160, 4051372), (5304, 3941380), (5590, 3739728), (5848, 3574740), (6240, 3350173), (6630, 3153104), (6708, 3116440), (6880, 3038529), (7072, 2956035), (7310, 2859792), (8160, 2561897), (8385, 2493152), (8772, 2383160), (8840, 2364828), (8944, 2337330), (9166, 2280720), (9503, 2199840), (10320, 2025686), (10608, 1970690), (10965, 1906528), (11180, 1869864), (11696, 1787370), (13260, 1576552), (13416, 1558220), (13749, 1520480), (14620, 1429896), (16770, 1246576), (17544, 1191580), (17680, 1182414), (17888, 1168665), (18332, 1140360), (19006, 1099920), (20640, 1012843), (21216, 985345), (21930, 953264), (22360, 934932), (22915, 912288), (23392, 893685), (26520, 788276), (26832, 779110), (27498, 760240), (28509, 733280), (29240, 714948), (33540, 623288), (35088, 595790), (35360, 591207), (36664, 570180), (38012, 549960), (43860, 476632), (44720, 467466), (45830, 456144), (47515, 439968), (53040, 394138), (53664, 389555), (54996, 380120), (57018, 366640), (58480, 357474), (59579, 350880), (67080, 311644), (68745, 304096), (70176, 297895), (73328, 285090), (76024, 274980), (77911, 268320), (87720, 238316), (89440, 233733), (91660, 228072), (95030, 219984), (106080, 197069), (109992, 190060), (114036, 183320), (116960, 178737), (119158, 175440), (134160, 155822), (137490, 152048), (142545, 146656)]