20218487940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:436

約数の個数: 576

約数和(自身を含む): 77298084864

約数和(自身を除く): 57079596924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 37, 42, 45, 51, 60, 63, 68, 70, 74, 84, 85, 90, 97, 102, 105, 111, 119, 126, 140, 148, 153, 170, 180, 185, 194, 204, 210, 222, 238, 252, 255, 259, 263, 291, 306, 315, 333, 340, 357, 370, 388, 420, 444, 476, 485, 510, 518, 526, 555, 582, 595, 612, 629, 630, 666, 679, 714, 740, 765, 777, 789, 873, 970, 1020, 1036, 1052, 1071, 1110, 1164, 1190, 1258, 1260, 1295, 1315, 1332, 1358, 1428, 1455, 1530, 1554, 1578, 1649, 1665, 1746, 1785, 1841, 1887, 1940, 2037, 2142, 2220, 2331, 2367, 2380, 2516, 2590, 2630, 2716, 2910, 3060, 3108, 3145, 3156, 3298, 3330, 3395, 3492, 3570, 3589, 3682, 3774, 3885, 3945, 4074, 4284, 4365, 4403, 4471, 4662, 4734, 4947, 5180, 5260, 5355, 5523, 5661, 5820, 6111, 6290, 6596, 6660, 6790, 7140, 7178, 7364, 7548, 7770, 7890, 8148, 8245, 8730, 8806, 8942, 9205, 9324, 9435, 9468, 9731, 9894, 10185, 10710, 10767, 11046, 11322, 11543, 11655, 11835, 12222, 12580, 13209, 13413, 13580, 14356, 14841, 15540, 15780, 16490, 16569, 17460, 17612, 17884, 17945, 18410, 18870, 19462, 19788, 20370, 21420, 21534, 22015, 22092, 22355, 22644, 23086, 23310, 23670, 24444, 24735, 25123, 25511, 26418, 26826, 27615, 28305, 29193, 29682, 30555, 31297, 32301, 32980, 33138, 34629, 35890, 36820, 37740, 38924, 39627, 40239, 40740, 43068, 44030, 44710, 46172, 46620, 47340, 48655, 49470, 50246, 51022, 52836, 53652, 53835, 55230, 56610, 57715, 58386, 59364, 61013, 61110, 62594, 64602, 66045, 66276, 67065, 68117, 69258, 71780, 74205, 75369, 76533, 79254, 80478, 82845, 87579, 88060, 89420, 93891, 97310, 98940, 100492, 102044, 103887, 107670, 110460, 113220, 115430, 116772, 122026, 122220, 125188, 125615, 127555, 129204, 132090, 134130, 136234, 138516, 145965, 148410, 150738, 153066, 156485, 158508, 160956, 161505, 165427, 165690, 173145, 175158, 178577, 183039, 187782, 194620, 198135, 201195, 204351, 207774, 215340, 226107, 229599, 230860, 244052, 251230, 255110, 264180, 268260, 272468, 281673, 291930, 296820, 301476, 305065, 306132, 312970, 323010, 330854, 331380, 340585, 346290, 350316, 357154, 366078, 375564, 376845, 382665, 396270, 402390, 408702, 415548, 427091, 433687, 437895, 452214, 459198, 469455, 496281, 502460, 510220, 519435, 535731, 549117, 563346, 583860, 610130, 613053, 625940, 646020, 661708, 681170, 692580, 714308, 732156, 753690, 765330, 792540, 804780, 817404, 827135, 854182, 867374, 875790, 892885, 904428, 915195, 918396, 938910, 943907, 992562, 1021755, 1038870, 1071462, 1098234, 1126692, 1130535, 1147995, 1157989, 1220260, 1226106, 1281273, 1301061, 1362340, 1408365, 1488843, 1507380, 1530660, 1607193, 1654270, 1708364, 1734748, 1751580, 1785770, 1830390, 1877820, 1887814, 1985124, 2043510, 2077740, 2135455, 2142924, 2168435, 2196468, 2261070, 2295990, 2315978, 2452212, 2481405, 2562546, 2602122, 2678655, 2745585, 2816730, 2831721, 2977686, 3035809, 3065265, 3214386, 3308540, 3473967, 3571540, 3660780, 3775628, 3843819, 3903183, 4087020, 4270910, 4336870, 4522140, 4591980, 4631956, 4719535, 4962810, 5125092, 5204244, 5357310, 5491170, 5633460, 5663442, 5789945, 5955372, 6071618, 6130530, 6406365, 6428772, 6505305, 6607349, 6947934, 7444215, 7687638, 7806366, 8035965, 8495163, 8541820, 8673740, 9107427, 9439070, 9925620, 10421901, 10714620, 10982340, 11326884, 11579890, 12143236, 12261060, 12812730, 13010610, 13214698, 13895868, 14158605, 14888430, 15179045, 15375276, 15612732, 16046419, 16071930, 16990326, 17369835, 18214854, 18878140, 19219095, 19515915, 19822047, 20843802, 23159780, 25625460, 26021220, 26429396, 27322281, 28317210, 29776860, 30358090, 32092838, 32143860, 33036745, 33980652, 34739670, 36429708, 38438190, 39031830, 39644094, 41687604, 42475815, 45537135, 48139257, 52109505, 54644562, 56634420, 59466141, 60716180, 64185676, 66073490, 69479340, 76876380, 78063660, 79288188, 80232095, 84951630, 91074270, 96278514, 99110235, 104219010, 109289124, 112324933, 118932282, 132146980, 136611405, 144417771, 160464190, 169903260, 182148540, 192557028, 198220470, 208438020, 224649866, 237864564, 240696285, 273222810, 288835542, 297330705, 320928380, 336974799, 396440940, 449299732, 481392570, 546445620, 561624665, 577671084, 594661410, 673949598, 722088855, 962785140, 1010924397, 1123249330, 1189322820, 1347899196, 1444177710, 1684873995, 2021848794, 2246498660, 2888355420, 3369747990, 4043697588, 5054621985, 6739495980, 10109243970, 20218487940]

約数ペア:

[(1, 20218487940), (2, 10109243970), (3, 6739495980), (4, 5054621985), (5, 4043697588), (6, 3369747990), (7, 2888355420), (9, 2246498660), (10, 2021848794), (12, 1684873995), (14, 1444177710), (15, 1347899196), (17, 1189322820), (18, 1123249330), (20, 1010924397), (21, 962785140), (28, 722088855), (30, 673949598), (34, 594661410), (35, 577671084), (36, 561624665), (37, 546445620), (42, 481392570), (45, 449299732), (51, 396440940), (60, 336974799), (63, 320928380), (68, 297330705), (70, 288835542), (74, 273222810), (84, 240696285), (85, 237864564), (90, 224649866), (97, 208438020), (102, 198220470), (105, 192557028), (111, 182148540), (119, 169903260), (126, 160464190), (140, 144417771), (148, 136611405), (153, 132146980), (170, 118932282), (180, 112324933), (185, 109289124), (194, 104219010), (204, 99110235), (210, 96278514), (222, 91074270), (238, 84951630), (252, 80232095), (255, 79288188), (259, 78063660), (263, 76876380), (291, 69479340), (306, 66073490), (315, 64185676), (333, 60716180), (340, 59466141), (357, 56634420), (370, 54644562), (388, 52109505), (420, 48139257), (444, 45537135), (476, 42475815), (485, 41687604), (510, 39644094), (518, 39031830), (526, 38438190), (555, 36429708), (582, 34739670), (595, 33980652), (612, 33036745), (629, 32143860), (630, 32092838), (666, 30358090), (679, 29776860), (714, 28317210), (740, 27322281), (765, 26429396), (777, 26021220), (789, 25625460), (873, 23159780), (970, 20843802), (1020, 19822047), (1036, 19515915), (1052, 19219095), (1071, 18878140), (1110, 18214854), (1164, 17369835), (1190, 16990326), (1258, 16071930), (1260, 16046419), (1295, 15612732), (1315, 15375276), (1332, 15179045), (1358, 14888430), (1428, 14158605), (1455, 13895868), (1530, 13214698), (1554, 13010610), (1578, 12812730), (1649, 12261060), (1665, 12143236), (1746, 11579890), (1785, 11326884), (1841, 10982340), (1887, 10714620), (1940, 10421901), (2037, 9925620), (2142, 9439070), (2220, 9107427), (2331, 8673740), (2367, 8541820), (2380, 8495163), (2516, 8035965), (2590, 7806366), (2630, 7687638), (2716, 7444215), (2910, 6947934), (3060, 6607349), (3108, 6505305), (3145, 6428772), (3156, 6406365), (3298, 6130530), (3330, 6071618), (3395, 5955372), (3492, 5789945), (3570, 5663442), (3589, 5633460), (3682, 5491170), (3774, 5357310), (3885, 5204244), (3945, 5125092), (4074, 4962810), (4284, 4719535), (4365, 4631956), (4403, 4591980), (4471, 4522140), (4662, 4336870), (4734, 4270910), (4947, 4087020), (5180, 3903183), (5260, 3843819), (5355, 3775628), (5523, 3660780), (5661, 3571540), (5820, 3473967), (6111, 3308540), (6290, 3214386), (6596, 3065265), (6660, 3035809), (6790, 2977686), (7140, 2831721), (7178, 2816730), (7364, 2745585), (7548, 2678655), (7770, 2602122), (7890, 2562546), (8148, 2481405), (8245, 2452212), (8730, 2315978), (8806, 2295990), (8942, 2261070), (9205, 2196468), (9324, 2168435), (9435, 2142924), (9468, 2135455), (9731, 2077740), (9894, 2043510), (10185, 1985124), (10710, 1887814), (10767, 1877820), (11046, 1830390), (11322, 1785770), (11543, 1751580), (11655, 1734748), (11835, 1708364), (12222, 1654270), (12580, 1607193), (13209, 1530660), (13413, 1507380), (13580, 1488843), (14356, 1408365), (14841, 1362340), (15540, 1301061), (15780, 1281273), (16490, 1226106), (16569, 1220260), (17460, 1157989), (17612, 1147995), (17884, 1130535), (17945, 1126692), (18410, 1098234), (18870, 1071462), (19462, 1038870), (19788, 1021755), (20370, 992562), (21420, 943907), (21534, 938910), (22015, 918396), (22092, 915195), (22355, 904428), (22644, 892885), (23086, 875790), (23310, 867374), (23670, 854182), (24444, 827135), (24735, 817404), (25123, 804780), (25511, 792540), (26418, 765330), (26826, 753690), (27615, 732156), (28305, 714308), (29193, 692580), (29682, 681170), (30555, 661708), (31297, 646020), (32301, 625940), (32980, 613053), (33138, 610130), (34629, 583860), (35890, 563346), (36820, 549117), (37740, 535731), (38924, 519435), (39627, 510220), (40239, 502460), (40740, 496281), (43068, 469455), (44030, 459198), (44710, 452214), (46172, 437895), (46620, 433687), (47340, 427091), (48655, 415548), (49470, 408702), (50246, 402390), (51022, 396270), (52836, 382665), (53652, 376845), (53835, 375564), (55230, 366078), (56610, 357154), (57715, 350316), (58386, 346290), (59364, 340585), (61013, 331380), (61110, 330854), (62594, 323010), (64602, 312970), (66045, 306132), (66276, 305065), (67065, 301476), (68117, 296820), (69258, 291930), (71780, 281673), (74205, 272468), (75369, 268260), (76533, 264180), (79254, 255110), (80478, 251230), (82845, 244052), (87579, 230860), (88060, 229599), (89420, 226107), (93891, 215340), (97310, 207774), (98940, 204351), (100492, 201195), (102044, 198135), (103887, 194620), (107670, 187782), (110460, 183039), (113220, 178577), (115430, 175158), (116772, 173145), (122026, 165690), (122220, 165427), (125188, 161505), (125615, 160956), (127555, 158508), (129204, 156485), (132090, 153066), (134130, 150738), (136234, 148410), (138516, 145965)]