20043994880

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 648

約数和(自身を含む): 63451188864

約数和(自身を除く): 43407193984

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 49, 52, 56, 61, 62, 64, 65, 70, 80, 91, 98, 104, 112, 122, 124, 128, 130, 140, 155, 160, 169, 182, 196, 208, 217, 224, 244, 245, 248, 256, 260, 280, 305, 310, 320, 338, 364, 392, 403, 416, 427, 434, 448, 455, 488, 490, 496, 520, 560, 610, 620, 637, 640, 676, 728, 784, 793, 806, 832, 845, 854, 868, 896, 910, 976, 980, 992, 1040, 1085, 1120, 1183, 1220, 1240, 1274, 1280, 1352, 1456, 1519, 1568, 1586, 1612, 1664, 1690, 1708, 1736, 1792, 1820, 1891, 1952, 1960, 1984, 2015, 2080, 2135, 2170, 2240, 2366, 2440, 2480, 2548, 2704, 2821, 2912, 2989, 3038, 3136, 3172, 3185, 3224, 3328, 3380, 3416, 3472, 3640, 3782, 3904, 3920, 3965, 3968, 4030, 4160, 4270, 4340, 4480, 4732, 4880, 4960, 5096, 5239, 5408, 5551, 5642, 5824, 5915, 5978, 6076, 6272, 6344, 6370, 6448, 6760, 6832, 6944, 7280, 7564, 7595, 7808, 7840, 7930, 7936, 8060, 8281, 8320, 8540, 8680, 8960, 9455, 9464, 9760, 9920, 10192, 10309, 10478, 10816, 11102, 11284, 11648, 11830, 11956, 12152, 12544, 12688, 12740, 12896, 13237, 13520, 13664, 13888, 14105, 14560, 14945, 15128, 15190, 15616, 15680, 15860, 16120, 16562, 16640, 17080, 17360, 18910, 18928, 19520, 19747, 19840, 20384, 20618, 20956, 21632, 22204, 22568, 23296, 23660, 23912, 24304, 24583, 25376, 25480, 25792, 26195, 26474, 27040, 27328, 27755, 27776, 28210, 29120, 29890, 30256, 30380, 31360, 31720, 32240, 33124, 34160, 34720, 36673, 37820, 37856, 38857, 39040, 39494, 39680, 40768, 41236, 41405, 41912, 43264, 44408, 45136, 47320, 47824, 48608, 49166, 50752, 50960, 51545, 51584, 52390, 52948, 54080, 54656, 55510, 55552, 56420, 58240, 59780, 60512, 60760, 62720, 63440, 64480, 66185, 66248, 68320, 69440, 72163, 73346, 75640, 75712, 77714, 78080, 78988, 81536, 82472, 82810, 83824, 88816, 90272, 92659, 94640, 95648, 97216, 98332, 98735, 101504, 101920, 103090, 103168, 104780, 105896, 108160, 109312, 111020, 112840, 116480, 119560, 121024, 121520, 122915, 126880, 128960, 132370, 132496, 136640, 138880, 144326, 146692, 151280, 151424, 155428, 157976, 163072, 164944, 165620, 167648, 172081, 177632, 180544, 183365, 185318, 189280, 191296, 194285, 194432, 196664, 197470, 203008, 203840, 206180, 209560, 211792, 216320, 222040, 225680, 239120, 242048, 243040, 245830, 253760, 256711, 257920, 264740, 264992, 273280, 277760, 288652, 293384, 302560, 302848, 310856, 315952, 319579, 329888, 331240, 335296, 344162, 355264, 360815, 361088, 366730, 370636, 378560, 382592, 388570, 388864, 393328, 394940, 407680, 412360, 419120, 423584, 444080, 451360, 463295, 478240, 484096, 486080, 491660, 505141, 507520, 513422, 515840, 529480, 529984, 546560, 577304, 586768, 605120, 621712, 631904, 639158, 659776, 662480, 670592, 688324, 710528, 721630, 722176, 733460, 741272, 757120, 765184, 777140, 786656, 789880, 815360, 824720, 838240, 847168, 860405, 888160, 902720, 926590, 956480, 972160, 983320, 1010282, 1015040, 1026844, 1058960, 1059968, 1154608, 1173536, 1204567, 1210240, 1243424, 1263808, 1278316, 1283555, 1319552, 1324960, 1341184, 1376648, 1421056, 1443260, 1466920, 1482544, 1514240, 1554280, 1573312, 1579760, 1597895, 1649440, 1676480, 1694336, 1720810, 1776320, 1805440, 1853180, 1912960, 1944320, 1966640, 2020564, 2053688, 2117920, 2119936, 2237053, 2309216, 2347072, 2409134, 2420480, 2486848, 2525705, 2527616, 2556632, 2567110, 2639104, 2649920, 2753296, 2886520, 2933840, 2965088, 3108560, 3146624, 3159520, 3195790, 3298880, 3352960, 3388672, 3441620, 3552640, 3610880, 3706360, 3825920, 3933280, 4041128, 4107376, 4235840, 4474106, 4618432, 4694144, 4818268, 4973696, 5051410, 5055232, 5113264, 5134220, 5299840, 5506592, 5773040, 5867680, 5930176, 6022835, 6217120, 6293248, 6319040, 6391580, 6597760, 6705920, 6883240, 7105280, 7412720, 7866560, 8082256, 8214752, 8471680, 8948212, 9236864, 9388288, 9636536, 9947392, 10102820, 10226528, 10268440, 10599680, 11013184, 11185265, 11546080, 11735360, 11860352, 12045670, 12434240, 12638080, 12783160, 13195520, 13766480, 14825440, 15659371, 15733120, 16164512, 16429504, 16943360, 17896424, 18473728, 19273072, 20205640, 20453056, 20536880, 22026368, 22370530, 23092160, 23470720, 23720704, 24091340, 24868480, 25276160, 25566320, 27532960, 29650880, 31318742, 31466240, 32329024, 32859008, 35792848, 38546144, 40411280, 40906112, 41073760, 44052736, 44741060, 46184320, 46941440, 48182680, 49736960, 51132640, 55065920, 59301760, 62637484, 64658048, 65718016, 71585696, 77092288, 78296855, 80822560, 81812224, 82147520, 89482120, 92368640, 96365360, 102265280, 110131840, 118603520, 125274968, 129316096, 143171392, 154184576, 156593710, 161645120, 164295040, 178964240, 192730720, 204530560, 220263680, 250549936, 286342784, 308369152, 313187420, 323290240, 328590080, 357928480, 385461440, 409061120, 501099872, 572685568, 626374840, 646580480, 715856960, 770922880, 1002199744, 1252749680, 1431713920, 1541845760, 2004399488, 2505499360, 2863427840, 4008798976, 5010998720, 10021997440, 20043994880]

約数ペア:

[(1, 20043994880), (2, 10021997440), (4, 5010998720), (5, 4008798976), (7, 2863427840), (8, 2505499360), (10, 2004399488), (13, 1541845760), (14, 1431713920), (16, 1252749680), (20, 1002199744), (26, 770922880), (28, 715856960), (31, 646580480), (32, 626374840), (35, 572685568), (40, 501099872), (49, 409061120), (52, 385461440), (56, 357928480), (61, 328590080), (62, 323290240), (64, 313187420), (65, 308369152), (70, 286342784), (80, 250549936), (91, 220263680), (98, 204530560), (104, 192730720), (112, 178964240), (122, 164295040), (124, 161645120), (128, 156593710), (130, 154184576), (140, 143171392), (155, 129316096), (160, 125274968), (169, 118603520), (182, 110131840), (196, 102265280), (208, 96365360), (217, 92368640), (224, 89482120), (244, 82147520), (245, 81812224), (248, 80822560), (256, 78296855), (260, 77092288), (280, 71585696), (305, 65718016), (310, 64658048), (320, 62637484), (338, 59301760), (364, 55065920), (392, 51132640), (403, 49736960), (416, 48182680), (427, 46941440), (434, 46184320), (448, 44741060), (455, 44052736), (488, 41073760), (490, 40906112), (496, 40411280), (520, 38546144), (560, 35792848), (610, 32859008), (620, 32329024), (637, 31466240), (640, 31318742), (676, 29650880), (728, 27532960), (784, 25566320), (793, 25276160), (806, 24868480), (832, 24091340), (845, 23720704), (854, 23470720), (868, 23092160), (896, 22370530), (910, 22026368), (976, 20536880), (980, 20453056), (992, 20205640), (1040, 19273072), (1085, 18473728), (1120, 17896424), (1183, 16943360), (1220, 16429504), (1240, 16164512), (1274, 15733120), (1280, 15659371), (1352, 14825440), (1456, 13766480), (1519, 13195520), (1568, 12783160), (1586, 12638080), (1612, 12434240), (1664, 12045670), (1690, 11860352), (1708, 11735360), (1736, 11546080), (1792, 11185265), (1820, 11013184), (1891, 10599680), (1952, 10268440), (1960, 10226528), (1984, 10102820), (2015, 9947392), (2080, 9636536), (2135, 9388288), (2170, 9236864), (2240, 8948212), (2366, 8471680), (2440, 8214752), (2480, 8082256), (2548, 7866560), (2704, 7412720), (2821, 7105280), (2912, 6883240), (2989, 6705920), (3038, 6597760), (3136, 6391580), (3172, 6319040), (3185, 6293248), (3224, 6217120), (3328, 6022835), (3380, 5930176), (3416, 5867680), (3472, 5773040), (3640, 5506592), (3782, 5299840), (3904, 5134220), (3920, 5113264), (3965, 5055232), (3968, 5051410), (4030, 4973696), (4160, 4818268), (4270, 4694144), (4340, 4618432), (4480, 4474106), (4732, 4235840), (4880, 4107376), (4960, 4041128), (5096, 3933280), (5239, 3825920), (5408, 3706360), (5551, 3610880), (5642, 3552640), (5824, 3441620), (5915, 3388672), (5978, 3352960), (6076, 3298880), (6272, 3195790), (6344, 3159520), (6370, 3146624), (6448, 3108560), (6760, 2965088), (6832, 2933840), (6944, 2886520), (7280, 2753296), (7564, 2649920), (7595, 2639104), (7808, 2567110), (7840, 2556632), (7930, 2527616), (7936, 2525705), (8060, 2486848), (8281, 2420480), (8320, 2409134), (8540, 2347072), (8680, 2309216), (8960, 2237053), (9455, 2119936), (9464, 2117920), (9760, 2053688), (9920, 2020564), (10192, 1966640), (10309, 1944320), (10478, 1912960), (10816, 1853180), (11102, 1805440), (11284, 1776320), (11648, 1720810), (11830, 1694336), (11956, 1676480), (12152, 1649440), (12544, 1597895), (12688, 1579760), (12740, 1573312), (12896, 1554280), (13237, 1514240), (13520, 1482544), (13664, 1466920), (13888, 1443260), (14105, 1421056), (14560, 1376648), (14945, 1341184), (15128, 1324960), (15190, 1319552), (15616, 1283555), (15680, 1278316), (15860, 1263808), (16120, 1243424), (16562, 1210240), (16640, 1204567), (17080, 1173536), (17360, 1154608), (18910, 1059968), (18928, 1058960), (19520, 1026844), (19747, 1015040), (19840, 1010282), (20384, 983320), (20618, 972160), (20956, 956480), (21632, 926590), (22204, 902720), (22568, 888160), (23296, 860405), (23660, 847168), (23912, 838240), (24304, 824720), (24583, 815360), (25376, 789880), (25480, 786656), (25792, 777140), (26195, 765184), (26474, 757120), (27040, 741272), (27328, 733460), (27755, 722176), (27776, 721630), (28210, 710528), (29120, 688324), (29890, 670592), (30256, 662480), (30380, 659776), (31360, 639158), (31720, 631904), (32240, 621712), (33124, 605120), (34160, 586768), (34720, 577304), (36673, 546560), (37820, 529984), (37856, 529480), (38857, 515840), (39040, 513422), (39494, 507520), (39680, 505141), (40768, 491660), (41236, 486080), (41405, 484096), (41912, 478240), (43264, 463295), (44408, 451360), (45136, 444080), (47320, 423584), (47824, 419120), (48608, 412360), (49166, 407680), (50752, 394940), (50960, 393328), (51545, 388864), (51584, 388570), (52390, 382592), (52948, 378560), (54080, 370636), (54656, 366730), (55510, 361088), (55552, 360815), (56420, 355264), (58240, 344162), (59780, 335296), (60512, 331240), (60760, 329888), (62720, 319579), (63440, 315952), (64480, 310856), (66185, 302848), (66248, 302560), (68320, 293384), (69440, 288652), (72163, 277760), (73346, 273280), (75640, 264992), (75712, 264740), (77714, 257920), (78080, 256711), (78988, 253760), (81536, 245830), (82472, 243040), (82810, 242048), (83824, 239120), (88816, 225680), (90272, 222040), (92659, 216320), (94640, 211792), (95648, 209560), (97216, 206180), (98332, 203840), (98735, 203008), (101504, 197470), (101920, 196664), (103090, 194432), (103168, 194285), (104780, 191296), (105896, 189280), (108160, 185318), (109312, 183365), (111020, 180544), (112840, 177632), (116480, 172081), (119560, 167648), (121024, 165620), (121520, 164944), (122915, 163072), (126880, 157976), (128960, 155428), (132370, 151424), (132496, 151280), (136640, 146692), (138880, 144326)]