20649029940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:349

約数の個数: 864

約数和(自身を含む): 86332925952

約数和(自身を除く): 65683896012

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 17, 18, 20, 21, 22, 28, 30, 31, 33, 34, 35, 36, 42, 44, 45, 51, 55, 60, 62, 63, 66, 68, 70, 77, 84, 85, 90, 93, 99, 102, 105, 110, 119, 121, 124, 126, 132, 140, 153, 154, 155, 165, 170, 180, 186, 187, 198, 204, 210, 217, 220, 231, 238, 242, 252, 255, 257, 279, 306, 308, 310, 315, 330, 340, 341, 357, 363, 372, 374, 385, 396, 420, 434, 462, 465, 476, 484, 495, 510, 514, 527, 558, 561, 595, 605, 612, 620, 630, 651, 660, 682, 693, 714, 726, 748, 765, 770, 771, 847, 868, 924, 930, 935, 990, 1020, 1023, 1028, 1054, 1071, 1085, 1089, 1116, 1122, 1155, 1190, 1210, 1260, 1285, 1302, 1309, 1364, 1386, 1395, 1428, 1452, 1530, 1540, 1542, 1581, 1683, 1694, 1705, 1785, 1799, 1815, 1860, 1870, 1953, 1980, 2046, 2057, 2108, 2142, 2170, 2178, 2244, 2310, 2313, 2380, 2387, 2420, 2541, 2570, 2604, 2618, 2635, 2772, 2790, 2805, 2827, 3060, 3069, 3084, 3162, 3255, 3366, 3388, 3410, 3465, 3570, 3598, 3630, 3689, 3740, 3751, 3855, 3906, 3927, 4092, 4114, 4235, 4284, 4340, 4356, 4369, 4620, 4626, 4743, 4774, 5082, 5115, 5140, 5236, 5270, 5355, 5397, 5445, 5580, 5610, 5654, 5797, 6138, 6171, 6324, 6510, 6545, 6732, 6820, 6930, 7140, 7161, 7196, 7260, 7378, 7502, 7623, 7710, 7812, 7854, 7905, 7967, 8228, 8415, 8470, 8481, 8738, 8995, 9252, 9486, 9548, 9765, 10164, 10230, 10285, 10540, 10710, 10794, 10890, 11067, 11220, 11253, 11308, 11565, 11594, 11781, 11935, 12276, 12342, 12705, 13020, 13090, 13107, 13860, 14135, 14322, 14399, 14756, 15004, 15246, 15345, 15420, 15708, 15810, 15934, 16191, 16830, 16940, 16962, 17391, 17476, 17990, 18445, 18513, 18755, 18972, 19530, 19635, 19789, 20460, 20570, 21420, 21483, 21588, 21780, 21845, 22134, 22506, 23130, 23188, 23562, 23715, 23870, 23901, 24684, 25410, 25443, 26180, 26214, 26257, 26985, 28270, 28644, 28798, 28985, 30492, 30583, 30690, 30855, 31097, 31620, 31868, 32382, 33201, 33660, 33759, 33924, 34782, 35805, 35980, 36890, 37026, 37510, 38115, 39060, 39270, 39321, 39578, 39835, 40579, 41140, 42405, 42966, 43197, 43690, 44268, 45012, 46260, 47124, 47430, 47740, 47802, 48059, 50820, 50886, 52173, 52428, 52514, 53970, 55335, 55769, 56265, 56540, 57596, 57970, 58905, 59367, 61166, 61380, 61710, 62194, 63767, 64764, 65535, 66402, 67518, 69564, 71610, 71703, 71995, 73780, 74052, 75020, 76230, 78540, 78642, 78771, 79156, 79670, 80955, 81158, 84810, 85932, 86394, 86955, 87380, 87637, 91749, 92565, 93291, 94860, 95604, 96118, 98945, 101772, 104346, 105028, 107415, 107940, 110670, 111538, 112530, 115940, 117810, 118734, 119505, 121737, 122332, 123420, 124388, 127215, 127534, 129591, 131070, 131285, 132804, 135036, 135439, 143220, 143406, 143990, 144177, 152460, 152915, 155485, 157284, 157542, 159340, 161910, 162316, 166005, 167307, 168795, 169620, 172788, 173910, 175274, 178101, 183498, 185130, 186582, 191301, 192236, 196605, 197890, 202895, 208692, 214830, 215985, 217679, 221340, 223076, 225060, 235620, 236313, 237468, 239010, 240295, 243474, 254430, 255068, 259182, 260865, 262140, 262570, 262911, 270878, 275247, 278845, 279873, 286812, 287980, 288354, 296835, 305830, 310970, 315084, 318835, 323820, 332010, 334614, 336413, 337590, 347820, 350548, 356202, 358515, 365211, 366996, 370260, 373164, 382602, 393210, 393855, 395780, 405790, 406317, 429660, 431970, 432531, 435358, 438185, 446369, 458745, 466455, 472626, 478020, 480590, 486948, 501921, 508860, 518364, 521730, 525140, 525822, 528649, 541756, 550494, 557690, 559746, 573903, 576708, 593670, 608685, 611660, 613459, 621940, 637670, 647955, 653037, 664020, 669228, 672826, 675180, 677195, 712404, 717030, 720885, 730422, 765204, 786420, 787710, 788733, 811580, 812634, 836535, 863940, 865062, 870716, 876370, 890505, 892738, 917490, 932910, 945252, 948073, 956505, 961180, 964007, 1003842, 1009239, 1043460, 1051644, 1057298, 1088395, 1100988, 1115380, 1119492, 1147806, 1181565, 1187340, 1217370, 1218951, 1226918, 1275340, 1295910, 1306074, 1314555, 1339107, 1345652, 1354390, 1376235, 1399365, 1434060, 1441770, 1460844, 1489829, 1575420, 1577466, 1585947, 1625268, 1673070, 1682065, 1730124, 1752740, 1781010, 1785476, 1826055, 1834980, 1840377, 1865820, 1896146, 1913010, 1928014, 1959111, 2007684, 2018478, 2031585, 2114596, 2162655, 2176790, 2231845, 2295612, 2363130, 2434740, 2437902, 2453836, 2509605, 2591820, 2612148, 2629110, 2643245, 2678214, 2708780, 2752470, 2798730, 2844219, 2869515, 2883540, 2892021, 2979658, 3027717, 3067295, 3154932, 3171894, 3265185, 3346140, 3364130, 3562020, 3652110, 3680754, 3700543, 3792292, 3826020, 3856028, 3918222, 3943665, 4017321, 4036956, 4063170, 4325310, 4353580, 4463690, 4469487, 4726260, 4740365, 4757841, 4820035, 4875804, 5019210, 5046195, 5258220, 5286490, 5356428, 5504940, 5521131, 5597460, 5688438, 5739030, 5784042, 5959316, 6055434, 6094755, 6134590, 6343788, 6530370, 6695535, 6728260, 6748049, 7304220, 7361508, 7401086, 7449145, 7836444, 7887330, 7929735, 8034642, 8126340, 8532657, 8650620, 8676063, 8927380, 8938974, 9201885, 9480730, 9515682, 9640070, 9795555, 10038420, 10092390, 10428803, 10572980, 11042262, 11101629, 11376876, 11478060, 11568084, 12110868, 12189510, 12269180, 13060740, 13391070, 13408461, 13496098, 14221095, 14460105, 14802172, 14898290, 15138585, 15774660, 15859470, 16069284, 16388119, 17065314, 17352126, 17877948, 18403770, 18502715, 18961460, 19031364, 19280140, 19591110, 20086605, 20184780, 20244147, 20857606, 22084524, 22203258, 22347435, 23789205, 24379020, 26782140, 26816922, 26992196, 27605655, 28442190, 28920210, 29796580, 30277170, 31286409, 31718940, 32776238, 33304887, 33740245, 34130628, 34704252, 36807540, 37005430, 39182220, 40173210, 40488294, 41715212, 42663285, 43380315, 44406516, 44694870, 47578410, 49164357, 52144015, 53633844, 55211310, 55508145, 56884380, 57840420, 60554340, 60732441, 62572818, 65552476, 66609774, 67042305, 67480490, 74010860, 80346420, 80976588, 81940595, 85326570, 86760630, 89389740, 93859227, 95156820, 98328714, 101220735, 104288030, 110422620, 111016290, 114716833, 121464882, 125145636, 133219548, 134084610, 134960980, 147493071, 156432045, 163881190, 166524435, 170653140, 173521260, 187718454, 196657428, 202441470, 208576060, 222032580, 229433666, 242929764, 245821785, 268169220, 294986142, 303662205, 312864090, 327762380, 333048870, 344150499, 375436908, 404882940, 458867332, 469296135, 491643570, 573584165, 589972284, 607324410, 625728180, 666097740, 688300998, 737465355, 938592270, 983287140, 1032451497, 1147168330, 1214648820, 1376601996, 1474930710, 1720752495, 1877184540, 2064902994, 2294336660, 2949861420, 3441504990, 4129805988, 5162257485, 6883009980, 10324514970, 20649029940]

約数ペア:

[(1, 20649029940), (2, 10324514970), (3, 6883009980), (4, 5162257485), (5, 4129805988), (6, 3441504990), (7, 2949861420), (9, 2294336660), (10, 2064902994), (11, 1877184540), (12, 1720752495), (14, 1474930710), (15, 1376601996), (17, 1214648820), (18, 1147168330), (20, 1032451497), (21, 983287140), (22, 938592270), (28, 737465355), (30, 688300998), (31, 666097740), (33, 625728180), (34, 607324410), (35, 589972284), (36, 573584165), (42, 491643570), (44, 469296135), (45, 458867332), (51, 404882940), (55, 375436908), (60, 344150499), (62, 333048870), (63, 327762380), (66, 312864090), (68, 303662205), (70, 294986142), (77, 268169220), (84, 245821785), (85, 242929764), (90, 229433666), (93, 222032580), (99, 208576060), (102, 202441470), (105, 196657428), (110, 187718454), (119, 173521260), (121, 170653140), (124, 166524435), (126, 163881190), (132, 156432045), (140, 147493071), (153, 134960980), (154, 134084610), (155, 133219548), (165, 125145636), (170, 121464882), (180, 114716833), (186, 111016290), (187, 110422620), (198, 104288030), (204, 101220735), (210, 98328714), (217, 95156820), (220, 93859227), (231, 89389740), (238, 86760630), (242, 85326570), (252, 81940595), (255, 80976588), (257, 80346420), (279, 74010860), (306, 67480490), (308, 67042305), (310, 66609774), (315, 65552476), (330, 62572818), (340, 60732441), (341, 60554340), (357, 57840420), (363, 56884380), (372, 55508145), (374, 55211310), (385, 53633844), (396, 52144015), (420, 49164357), (434, 47578410), (462, 44694870), (465, 44406516), (476, 43380315), (484, 42663285), (495, 41715212), (510, 40488294), (514, 40173210), (527, 39182220), (558, 37005430), (561, 36807540), (595, 34704252), (605, 34130628), (612, 33740245), (620, 33304887), (630, 32776238), (651, 31718940), (660, 31286409), (682, 30277170), (693, 29796580), (714, 28920210), (726, 28442190), (748, 27605655), (765, 26992196), (770, 26816922), (771, 26782140), (847, 24379020), (868, 23789205), (924, 22347435), (930, 22203258), (935, 22084524), (990, 20857606), (1020, 20244147), (1023, 20184780), (1028, 20086605), (1054, 19591110), (1071, 19280140), (1085, 19031364), (1089, 18961460), (1116, 18502715), (1122, 18403770), (1155, 17877948), (1190, 17352126), (1210, 17065314), (1260, 16388119), (1285, 16069284), (1302, 15859470), (1309, 15774660), (1364, 15138585), (1386, 14898290), (1395, 14802172), (1428, 14460105), (1452, 14221095), (1530, 13496098), (1540, 13408461), (1542, 13391070), (1581, 13060740), (1683, 12269180), (1694, 12189510), (1705, 12110868), (1785, 11568084), (1799, 11478060), (1815, 11376876), (1860, 11101629), (1870, 11042262), (1953, 10572980), (1980, 10428803), (2046, 10092390), (2057, 10038420), (2108, 9795555), (2142, 9640070), (2170, 9515682), (2178, 9480730), (2244, 9201885), (2310, 8938974), (2313, 8927380), (2380, 8676063), (2387, 8650620), (2420, 8532657), (2541, 8126340), (2570, 8034642), (2604, 7929735), (2618, 7887330), (2635, 7836444), (2772, 7449145), (2790, 7401086), (2805, 7361508), (2827, 7304220), (3060, 6748049), (3069, 6728260), (3084, 6695535), (3162, 6530370), (3255, 6343788), (3366, 6134590), (3388, 6094755), (3410, 6055434), (3465, 5959316), (3570, 5784042), (3598, 5739030), (3630, 5688438), (3689, 5597460), (3740, 5521131), (3751, 5504940), (3855, 5356428), (3906, 5286490), (3927, 5258220), (4092, 5046195), (4114, 5019210), (4235, 4875804), (4284, 4820035), (4340, 4757841), (4356, 4740365), (4369, 4726260), (4620, 4469487), (4626, 4463690), (4743, 4353580), (4774, 4325310), (5082, 4063170), (5115, 4036956), (5140, 4017321), (5236, 3943665), (5270, 3918222), (5355, 3856028), (5397, 3826020), (5445, 3792292), (5580, 3700543), (5610, 3680754), (5654, 3652110), (5797, 3562020), (6138, 3364130), (6171, 3346140), (6324, 3265185), (6510, 3171894), (6545, 3154932), (6732, 3067295), (6820, 3027717), (6930, 2979658), (7140, 2892021), (7161, 2883540), (7196, 2869515), (7260, 2844219), (7378, 2798730), (7502, 2752470), (7623, 2708780), (7710, 2678214), (7812, 2643245), (7854, 2629110), (7905, 2612148), (7967, 2591820), (8228, 2509605), (8415, 2453836), (8470, 2437902), (8481, 2434740), (8738, 2363130), (8995, 2295612), (9252, 2231845), (9486, 2176790), (9548, 2162655), (9765, 2114596), (10164, 2031585), (10230, 2018478), (10285, 2007684), (10540, 1959111), (10710, 1928014), (10794, 1913010), (10890, 1896146), (11067, 1865820), (11220, 1840377), (11253, 1834980), (11308, 1826055), (11565, 1785476), (11594, 1781010), (11781, 1752740), (11935, 1730124), (12276, 1682065), (12342, 1673070), (12705, 1625268), (13020, 1585947), (13090, 1577466), (13107, 1575420), (13860, 1489829), (14135, 1460844), (14322, 1441770), (14399, 1434060), (14756, 1399365), (15004, 1376235), (15246, 1354390), (15345, 1345652), (15420, 1339107), (15708, 1314555), (15810, 1306074), (15934, 1295910), (16191, 1275340), (16830, 1226918), (16940, 1218951), (16962, 1217370), (17391, 1187340), (17476, 1181565), (17990, 1147806), (18445, 1119492), (18513, 1115380), (18755, 1100988), (18972, 1088395), (19530, 1057298), (19635, 1051644), (19789, 1043460), (20460, 1009239), (20570, 1003842), (21420, 964007), (21483, 961180), (21588, 956505), (21780, 948073), (21845, 945252), (22134, 932910), (22506, 917490), (23130, 892738), (23188, 890505), (23562, 876370), (23715, 870716), (23870, 865062), (23901, 863940), (24684, 836535), (25410, 812634), (25443, 811580), (26180, 788733), (26214, 787710), (26257, 786420), (26985, 765204), (28270, 730422), (28644, 720885), (28798, 717030), (28985, 712404), (30492, 677195), (30583, 675180), (30690, 672826), (30855, 669228), (31097, 664020), (31620, 653037), (31868, 647955), (32382, 637670), (33201, 621940), (33660, 613459), (33759, 611660), (33924, 608685), (34782, 593670), (35805, 576708), (35980, 573903), (36890, 559746), (37026, 557690), (37510, 550494), (38115, 541756), (39060, 528649), (39270, 525822), (39321, 525140), (39578, 521730), (39835, 518364), (40579, 508860), (41140, 501921), (42405, 486948), (42966, 480590), (43197, 478020), (43690, 472626), (44268, 466455), (45012, 458745), (46260, 446369), (47124, 438185), (47430, 435358), (47740, 432531), (47802, 431970), (48059, 429660), (50820, 406317), (50886, 405790), (52173, 395780), (52428, 393855), (52514, 393210), (53970, 382602), (55335, 373164), (55769, 370260), (56265, 366996), (56540, 365211), (57596, 358515), (57970, 356202), (58905, 350548), (59367, 347820), (61166, 337590), (61380, 336413), (61710, 334614), (62194, 332010), (63767, 323820), (64764, 318835), (65535, 315084), (66402, 310970), (67518, 305830), (69564, 296835), (71610, 288354), (71703, 287980), (71995, 286812), (73780, 279873), (74052, 278845), (75020, 275247), (76230, 270878), (78540, 262911), (78642, 262570), (78771, 262140), (79156, 260865), (79670, 259182), (80955, 255068), (81158, 254430), (84810, 243474), (85932, 240295), (86394, 239010), (86955, 237468), (87380, 236313), (87637, 235620), (91749, 225060), (92565, 223076), (93291, 221340), (94860, 217679), (95604, 215985), (96118, 214830), (98945, 208692), (101772, 202895), (104346, 197890), (105028, 196605), (107415, 192236), (107940, 191301), (110670, 186582), (111538, 185130), (112530, 183498), (115940, 178101), (117810, 175274), (118734, 173910), (119505, 172788), (121737, 169620), (122332, 168795), (123420, 167307), (124388, 166005), (127215, 162316), (127534, 161910), (129591, 159340), (131070, 157542), (131285, 157284), (132804, 155485), (135036, 152915), (135439, 152460), (143220, 144177), (143406, 143990)]