20021756720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:229

約数の個数: 480

約数和(自身を含む): 59148642816

約数和(自身を除く): 39126886096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 37, 40, 49, 56, 61, 62, 70, 73, 74, 80, 98, 112, 122, 124, 140, 146, 148, 155, 185, 196, 217, 244, 245, 248, 259, 280, 292, 296, 305, 310, 365, 370, 392, 427, 434, 488, 490, 496, 511, 518, 560, 584, 592, 610, 620, 730, 740, 784, 854, 868, 976, 980, 1022, 1036, 1085, 1147, 1168, 1220, 1240, 1295, 1460, 1480, 1519, 1708, 1736, 1813, 1891, 1960, 2044, 2072, 2135, 2170, 2257, 2263, 2294, 2440, 2480, 2555, 2590, 2701, 2920, 2960, 2989, 3038, 3416, 3472, 3577, 3626, 3782, 3920, 4088, 4144, 4270, 4340, 4453, 4514, 4526, 4588, 4880, 5110, 5180, 5402, 5735, 5840, 5978, 6076, 6832, 7154, 7252, 7564, 7595, 8029, 8176, 8540, 8680, 8906, 9028, 9052, 9065, 9176, 9455, 10220, 10360, 10804, 11285, 11315, 11470, 11956, 12152, 13237, 13505, 14308, 14504, 14945, 15128, 15190, 15799, 15841, 16058, 17080, 17360, 17812, 17885, 18056, 18104, 18130, 18352, 18907, 18910, 20440, 20720, 21608, 22265, 22570, 22630, 22940, 23912, 24304, 26474, 27010, 28616, 29008, 29890, 30256, 30380, 31171, 31598, 31682, 32116, 34160, 35624, 35770, 36112, 36208, 36260, 37814, 37820, 40145, 40880, 43216, 44530, 45140, 45260, 45880, 47824, 52948, 54020, 56203, 57232, 59780, 60760, 62342, 63196, 63364, 64232, 66185, 69967, 71248, 71540, 72520, 75628, 75640, 78995, 79205, 80290, 83731, 89060, 90280, 90520, 91760, 92659, 94535, 105896, 108040, 110593, 110887, 112406, 119560, 121520, 124684, 126392, 126728, 128464, 132349, 132370, 138043, 139934, 143080, 145040, 151256, 151280, 155855, 157990, 158410, 160580, 164761, 167462, 178120, 180560, 181040, 185318, 189070, 211792, 216080, 218197, 221186, 221774, 224812, 239120, 249368, 252784, 253456, 264698, 264740, 276086, 279868, 281015, 286160, 302512, 311710, 315980, 316820, 321160, 329522, 334924, 349835, 356240, 370636, 378140, 418655, 436394, 442372, 443548, 449624, 463295, 489769, 498736, 529396, 529480, 552172, 552965, 554435, 559736, 562030, 586117, 623420, 631960, 633640, 642320, 659044, 661745, 669848, 690215, 699670, 741272, 756280, 823805, 837310, 872788, 884744, 887096, 899248, 926590, 966301, 979538, 1058792, 1058960, 1090985, 1104344, 1105930, 1108870, 1119472, 1124060, 1153327, 1172234, 1246840, 1263920, 1267280, 1318088, 1323490, 1339696, 1380430, 1399340, 1482544, 1512560, 1647610, 1674620, 1745576, 1769488, 1774192, 1853180, 1932602, 1959076, 2117584, 2181970, 2208688, 2211860, 2217740, 2248120, 2306654, 2344468, 2448845, 2493680, 2636176, 2646980, 2760860, 2798680, 2930585, 3295220, 3349240, 3428383, 3491152, 3706360, 3865204, 3918152, 4102819, 4363940, 4423720, 4435480, 4496240, 4613308, 4688936, 4831505, 4897690, 5107591, 5293960, 5521720, 5597360, 5766635, 5861170, 6590440, 6698480, 6764107, 6856766, 7412720, 7730408, 7836304, 8073289, 8205638, 8727880, 8847440, 8870960, 9226616, 9377872, 9663010, 9795380, 10215182, 10587920, 11043440, 11533270, 11722340, 13180880, 13528214, 13713532, 15460816, 16146578, 16411276, 17141915, 17455760, 18453232, 19326020, 19590760, 20430364, 20514095, 23066540, 23444680, 25537955, 27056428, 27427064, 32293156, 32822552, 33820535, 34283830, 35753137, 38652040, 39181520, 40366445, 40860728, 41028190, 46133080, 46889360, 51075910, 54112856, 54854128, 64586312, 65645104, 67641070, 68567660, 71506274, 77304080, 80732890, 81721456, 82056380, 92266160, 102151820, 108225712, 129172624, 135282140, 137135320, 143012548, 161465780, 164112760, 178765685, 204303640, 250271959, 270564280, 274270640, 286025096, 322931560, 328225520, 357531370, 408607280, 500543918, 541128560, 572050192, 645863120, 715062740, 1001087836, 1251359795, 1430125480, 2002175672, 2502719590, 2860250960, 4004351344, 5005439180, 10010878360, 20021756720]

約数ペア:

[(1, 20021756720), (2, 10010878360), (4, 5005439180), (5, 4004351344), (7, 2860250960), (8, 2502719590), (10, 2002175672), (14, 1430125480), (16, 1251359795), (20, 1001087836), (28, 715062740), (31, 645863120), (35, 572050192), (37, 541128560), (40, 500543918), (49, 408607280), (56, 357531370), (61, 328225520), (62, 322931560), (70, 286025096), (73, 274270640), (74, 270564280), (80, 250271959), (98, 204303640), (112, 178765685), (122, 164112760), (124, 161465780), (140, 143012548), (146, 137135320), (148, 135282140), (155, 129172624), (185, 108225712), (196, 102151820), (217, 92266160), (244, 82056380), (245, 81721456), (248, 80732890), (259, 77304080), (280, 71506274), (292, 68567660), (296, 67641070), (305, 65645104), (310, 64586312), (365, 54854128), (370, 54112856), (392, 51075910), (427, 46889360), (434, 46133080), (488, 41028190), (490, 40860728), (496, 40366445), (511, 39181520), (518, 38652040), (560, 35753137), (584, 34283830), (592, 33820535), (610, 32822552), (620, 32293156), (730, 27427064), (740, 27056428), (784, 25537955), (854, 23444680), (868, 23066540), (976, 20514095), (980, 20430364), (1022, 19590760), (1036, 19326020), (1085, 18453232), (1147, 17455760), (1168, 17141915), (1220, 16411276), (1240, 16146578), (1295, 15460816), (1460, 13713532), (1480, 13528214), (1519, 13180880), (1708, 11722340), (1736, 11533270), (1813, 11043440), (1891, 10587920), (1960, 10215182), (2044, 9795380), (2072, 9663010), (2135, 9377872), (2170, 9226616), (2257, 8870960), (2263, 8847440), (2294, 8727880), (2440, 8205638), (2480, 8073289), (2555, 7836304), (2590, 7730408), (2701, 7412720), (2920, 6856766), (2960, 6764107), (2989, 6698480), (3038, 6590440), (3416, 5861170), (3472, 5766635), (3577, 5597360), (3626, 5521720), (3782, 5293960), (3920, 5107591), (4088, 4897690), (4144, 4831505), (4270, 4688936), (4340, 4613308), (4453, 4496240), (4514, 4435480), (4526, 4423720), (4588, 4363940), (4880, 4102819), (5110, 3918152), (5180, 3865204), (5402, 3706360), (5735, 3491152), (5840, 3428383), (5978, 3349240), (6076, 3295220), (6832, 2930585), (7154, 2798680), (7252, 2760860), (7564, 2646980), (7595, 2636176), (8029, 2493680), (8176, 2448845), (8540, 2344468), (8680, 2306654), (8906, 2248120), (9028, 2217740), (9052, 2211860), (9065, 2208688), (9176, 2181970), (9455, 2117584), (10220, 1959076), (10360, 1932602), (10804, 1853180), (11285, 1774192), (11315, 1769488), (11470, 1745576), (11956, 1674620), (12152, 1647610), (13237, 1512560), (13505, 1482544), (14308, 1399340), (14504, 1380430), (14945, 1339696), (15128, 1323490), (15190, 1318088), (15799, 1267280), (15841, 1263920), (16058, 1246840), (17080, 1172234), (17360, 1153327), (17812, 1124060), (17885, 1119472), (18056, 1108870), (18104, 1105930), (18130, 1104344), (18352, 1090985), (18907, 1058960), (18910, 1058792), (20440, 979538), (20720, 966301), (21608, 926590), (22265, 899248), (22570, 887096), (22630, 884744), (22940, 872788), (23912, 837310), (24304, 823805), (26474, 756280), (27010, 741272), (28616, 699670), (29008, 690215), (29890, 669848), (30256, 661745), (30380, 659044), (31171, 642320), (31598, 633640), (31682, 631960), (32116, 623420), (34160, 586117), (35624, 562030), (35770, 559736), (36112, 554435), (36208, 552965), (36260, 552172), (37814, 529480), (37820, 529396), (40145, 498736), (40880, 489769), (43216, 463295), (44530, 449624), (45140, 443548), (45260, 442372), (45880, 436394), (47824, 418655), (52948, 378140), (54020, 370636), (56203, 356240), (57232, 349835), (59780, 334924), (60760, 329522), (62342, 321160), (63196, 316820), (63364, 315980), (64232, 311710), (66185, 302512), (69967, 286160), (71248, 281015), (71540, 279868), (72520, 276086), (75628, 264740), (75640, 264698), (78995, 253456), (79205, 252784), (80290, 249368), (83731, 239120), (89060, 224812), (90280, 221774), (90520, 221186), (91760, 218197), (92659, 216080), (94535, 211792), (105896, 189070), (108040, 185318), (110593, 181040), (110887, 180560), (112406, 178120), (119560, 167462), (121520, 164761), (124684, 160580), (126392, 158410), (126728, 157990), (128464, 155855), (132349, 151280), (132370, 151256), (138043, 145040), (139934, 143080)]