20199402080

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{8741}}^1$

素因数の和:8881

約数の個数: 192

約数和(自身を含む): 56625500736

約数和(自身を除く): 36426098656

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 101, 104, 110, 130, 143, 160, 176, 202, 208, 220, 260, 286, 352, 404, 416, 440, 505, 520, 572, 715, 808, 880, 1010, 1040, 1111, 1144, 1313, 1430, 1616, 1760, 2020, 2080, 2222, 2288, 2626, 2860, 3232, 4040, 4444, 4576, 5252, 5555, 5720, 6565, 8080, 8741, 8888, 10504, 11110, 11440, 13130, 14443, 16160, 17482, 17776, 21008, 22220, 22880, 26260, 28886, 34964, 35552, 42016, 43705, 44440, 52520, 57772, 69928, 72215, 87410, 88880, 96151, 105040, 113633, 115544, 139856, 144430, 174820, 177760, 192302, 210080, 227266, 231088, 279712, 288860, 349640, 384604, 454532, 462176, 480755, 568165, 577720, 699280, 769208, 882841, 909064, 961510, 1136330, 1155440, 1249963, 1398560, 1538416, 1765682, 1818128, 1923020, 2272660, 2310880, 2499926, 3076832, 3531364, 3636256, 3846040, 4414205, 4545320, 4999852, 6249815, 7062728, 7692080, 8828410, 9090640, 9711251, 9999704, 11476933, 12499630, 14125456, 15384160, 17656820, 18181280, 19422502, 19999408, 22953866, 24999260, 28250912, 35313640, 38845004, 39998816, 45907732, 48556255, 49998520, 57384665, 70627280, 77690008, 91815464, 97112510, 99997040, 114769330, 126246263, 141254560, 155380016, 183630928, 194225020, 199994080, 229538660, 252492526, 310760032, 367261856, 388450040, 459077320, 504985052, 631231315, 776900080, 918154640, 1009970104, 1262462630, 1553800160, 1836309280, 2019940208, 2524925260, 4039880416, 5049850520, 10099701040, 20199402080]

約数ペア:

[(1, 20199402080), (2, 10099701040), (4, 5049850520), (5, 4039880416), (8, 2524925260), (10, 2019940208), (11, 1836309280), (13, 1553800160), (16, 1262462630), (20, 1009970104), (22, 918154640), (26, 776900080), (32, 631231315), (40, 504985052), (44, 459077320), (52, 388450040), (55, 367261856), (65, 310760032), (80, 252492526), (88, 229538660), (101, 199994080), (104, 194225020), (110, 183630928), (130, 155380016), (143, 141254560), (160, 126246263), (176, 114769330), (202, 99997040), (208, 97112510), (220, 91815464), (260, 77690008), (286, 70627280), (352, 57384665), (404, 49998520), (416, 48556255), (440, 45907732), (505, 39998816), (520, 38845004), (572, 35313640), (715, 28250912), (808, 24999260), (880, 22953866), (1010, 19999408), (1040, 19422502), (1111, 18181280), (1144, 17656820), (1313, 15384160), (1430, 14125456), (1616, 12499630), (1760, 11476933), (2020, 9999704), (2080, 9711251), (2222, 9090640), (2288, 8828410), (2626, 7692080), (2860, 7062728), (3232, 6249815), (4040, 4999852), (4444, 4545320), (4576, 4414205), (5252, 3846040), (5555, 3636256), (5720, 3531364), (6565, 3076832), (8080, 2499926), (8741, 2310880), (8888, 2272660), (10504, 1923020), (11110, 1818128), (11440, 1765682), (13130, 1538416), (14443, 1398560), (16160, 1249963), (17482, 1155440), (17776, 1136330), (21008, 961510), (22220, 909064), (22880, 882841), (26260, 769208), (28886, 699280), (34964, 577720), (35552, 568165), (42016, 480755), (43705, 462176), (44440, 454532), (52520, 384604), (57772, 349640), (69928, 288860), (72215, 279712), (87410, 231088), (88880, 227266), (96151, 210080), (105040, 192302), (113633, 177760), (115544, 174820), (139856, 144430)]