20451582432

素因数分解:

$2^5\times 3^4\times {\mathrm{97}}^1\times {\mathrm{81343}}^1$

素因数の和:81462

約数の個数: 120

約数和(自身を含む): 60768360576

約数和(自身を除く): 40316778144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 97, 108, 144, 162, 194, 216, 288, 291, 324, 388, 432, 582, 648, 776, 864, 873, 1164, 1296, 1552, 1746, 2328, 2592, 2619, 3104, 3492, 4656, 5238, 6984, 7857, 9312, 10476, 13968, 15714, 20952, 27936, 31428, 41904, 62856, 81343, 83808, 125712, 162686, 244029, 251424, 325372, 488058, 650744, 732087, 976116, 1301488, 1464174, 1952232, 2196261, 2602976, 2928348, 3904464, 4392522, 5856696, 6588783, 7808928, 7890271, 8785044, 11713392, 13177566, 15780542, 17570088, 23426784, 23670813, 26355132, 31561084, 35140176, 47341626, 52710264, 63122168, 70280352, 71012439, 94683252, 105420528, 126244336, 142024878, 189366504, 210841056, 213037317, 252488672, 284049756, 378733008, 426074634, 568099512, 639111951, 757466016, 852149268, 1136199024, 1278223902, 1704298536, 2272398048, 2556447804, 3408597072, 5112895608, 6817194144, 10225791216, 20451582432]

約数ペア:

[(1, 20451582432), (2, 10225791216), (3, 6817194144), (4, 5112895608), (6, 3408597072), (8, 2556447804), (9, 2272398048), (12, 1704298536), (16, 1278223902), (18, 1136199024), (24, 852149268), (27, 757466016), (32, 639111951), (36, 568099512), (48, 426074634), (54, 378733008), (72, 284049756), (81, 252488672), (96, 213037317), (97, 210841056), (108, 189366504), (144, 142024878), (162, 126244336), (194, 105420528), (216, 94683252), (288, 71012439), (291, 70280352), (324, 63122168), (388, 52710264), (432, 47341626), (582, 35140176), (648, 31561084), (776, 26355132), (864, 23670813), (873, 23426784), (1164, 17570088), (1296, 15780542), (1552, 13177566), (1746, 11713392), (2328, 8785044), (2592, 7890271), (2619, 7808928), (3104, 6588783), (3492, 5856696), (4656, 4392522), (5238, 3904464), (6984, 2928348), (7857, 2602976), (9312, 2196261), (10476, 1952232), (13968, 1464174), (15714, 1301488), (20952, 976116), (27936, 732087), (31428, 650744), (41904, 488058), (62856, 325372), (81343, 251424), (83808, 244029), (125712, 162686)]