20398280544

素因数分解:

$2^5\times 3^4\times {\mathrm{97}}^1\times {\mathrm{81131}}^1$

素因数の和:81250

約数の個数: 120

約数和(自身を含む): 60609985128

約数和(自身を除く): 40211704584

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, 81131, 83808, 125712, 162262, 243393, 251424, 324524, 486786, 649048, 730179, 973572, 1298096, 1460358, 1947144, 2190537, 2596192, 2920716, 3894288, 4381074, 5841432, 6571611, 7788576, 7869707, 8762148, 11682864, 13143222, 15739414, 17524296, 23365728, 23609121, 26286444, 31478828, 35048592, 47218242, 52572888, 62957656, 70097184, 70827363, 94436484, 105145776, 125915312, 141654726, 188872968, 210291552, 212482089, 251830624, 283309452, 377745936, 424964178, 566618904, 637446267, 755491872, 849928356, 1133237808, 1274892534, 1699856712, 2266475616, 2549785068, 3399713424, 5099570136, 6799426848, 10199140272, 20398280544]

約数ペア:

[(1, 20398280544), (2, 10199140272), (3, 6799426848), (4, 5099570136), (6, 3399713424), (8, 2549785068), (9, 2266475616), (12, 1699856712), (16, 1274892534), (18, 1133237808), (24, 849928356), (27, 755491872), (32, 637446267), (36, 566618904), (48, 424964178), (54, 377745936), (72, 283309452), (81, 251830624), (96, 212482089), (97, 210291552), (108, 188872968), (144, 141654726), (162, 125915312), (194, 105145776), (216, 94436484), (288, 70827363), (291, 70097184), (324, 62957656), (388, 52572888), (432, 47218242), (582, 35048592), (648, 31478828), (776, 26286444), (864, 23609121), (873, 23365728), (1164, 17524296), (1296, 15739414), (1552, 13143222), (1746, 11682864), (2328, 8762148), (2592, 7869707), (2619, 7788576), (3104, 6571611), (3492, 5841432), (4656, 4381074), (5238, 3894288), (6984, 2920716), (7857, 2596192), (9312, 2190537), (10476, 1947144), (13968, 1460358), (15714, 1298096), (20952, 973572), (27936, 730179), (31428, 649048), (41904, 486786), (62856, 324524), (81131, 251424), (83808, 243393), (125712, 162262)]