20185989984

素因数分解:

$2^5\times 3^2\times {\mathrm{107}}^1\times {\mathrm{331}}^1\times {\mathrm{1979}}^1$

素因数の和:2433

約数の個数: 144

約数和(自身を含む): 58144806720

約数和(自身を除く): 37958816736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 107, 144, 214, 288, 321, 331, 428, 642, 662, 856, 963, 993, 1284, 1324, 1712, 1926, 1979, 1986, 2568, 2648, 2979, 3424, 3852, 3958, 3972, 5136, 5296, 5937, 5958, 7704, 7916, 7944, 10272, 10592, 11874, 11916, 15408, 15832, 15888, 17811, 23748, 23832, 30816, 31664, 31776, 35417, 35622, 47496, 47664, 63328, 70834, 71244, 94992, 95328, 106251, 141668, 142488, 189984, 211753, 212502, 283336, 284976, 318753, 423506, 425004, 566672, 569952, 635259, 637506, 655049, 847012, 850008, 1133344, 1270518, 1275012, 1310098, 1694024, 1700016, 1905777, 1965147, 2541036, 2550024, 2620196, 3388048, 3400032, 3811554, 3930294, 5082072, 5100048, 5240392, 5895441, 6776096, 7623108, 7860588, 10164144, 10200096, 10480784, 11790882, 15246216, 15721176, 20328288, 20961568, 23581764, 30492432, 31442352, 47163528, 60984864, 62884704, 70090243, 94327056, 140180486, 188654112, 210270729, 280360972, 420541458, 560721944, 630812187, 841082916, 1121443888, 1261624374, 1682165832, 2242887776, 2523248748, 3364331664, 5046497496, 6728663328, 10092994992, 20185989984]

約数ペア:

[(1, 20185989984), (2, 10092994992), (3, 6728663328), (4, 5046497496), (6, 3364331664), (8, 2523248748), (9, 2242887776), (12, 1682165832), (16, 1261624374), (18, 1121443888), (24, 841082916), (32, 630812187), (36, 560721944), (48, 420541458), (72, 280360972), (96, 210270729), (107, 188654112), (144, 140180486), (214, 94327056), (288, 70090243), (321, 62884704), (331, 60984864), (428, 47163528), (642, 31442352), (662, 30492432), (856, 23581764), (963, 20961568), (993, 20328288), (1284, 15721176), (1324, 15246216), (1712, 11790882), (1926, 10480784), (1979, 10200096), (1986, 10164144), (2568, 7860588), (2648, 7623108), (2979, 6776096), (3424, 5895441), (3852, 5240392), (3958, 5100048), (3972, 5082072), (5136, 3930294), (5296, 3811554), (5937, 3400032), (5958, 3388048), (7704, 2620196), (7916, 2550024), (7944, 2541036), (10272, 1965147), (10592, 1905777), (11874, 1700016), (11916, 1694024), (15408, 1310098), (15832, 1275012), (15888, 1270518), (17811, 1133344), (23748, 850008), (23832, 847012), (30816, 655049), (31664, 637506), (31776, 635259), (35417, 569952), (35622, 566672), (47496, 425004), (47664, 423506), (63328, 318753), (70834, 284976), (71244, 283336), (94992, 212502), (95328, 211753), (106251, 189984), (141668, 142488)]