20512667808

素因数分解:

$2^5\times 3^2\times {\mathrm{83}}^1\times {\mathrm{858127}}^1$

素因数の和:858226

約数の個数: 72

約数和(自身を含む): 59035773888

約数和(自身を除く): 38523106080

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 83, 96, 144, 166, 249, 288, 332, 498, 664, 747, 996, 1328, 1494, 1992, 2656, 2988, 3984, 5976, 7968, 11952, 23904, 858127, 1716254, 2574381, 3432508, 5148762, 6865016, 7723143, 10297524, 13730032, 15446286, 20595048, 27460064, 30892572, 41190096, 61785144, 71224541, 82380192, 123570288, 142449082, 213673623, 247140576, 284898164, 427347246, 569796328, 641020869, 854694492, 1139592656, 1282041738, 1709388984, 2279185312, 2564083476, 3418777968, 5128166952, 6837555936, 10256333904, 20512667808]

約数ペア:

[(1, 20512667808), (2, 10256333904), (3, 6837555936), (4, 5128166952), (6, 3418777968), (8, 2564083476), (9, 2279185312), (12, 1709388984), (16, 1282041738), (18, 1139592656), (24, 854694492), (32, 641020869), (36, 569796328), (48, 427347246), (72, 284898164), (83, 247140576), (96, 213673623), (144, 142449082), (166, 123570288), (249, 82380192), (288, 71224541), (332, 61785144), (498, 41190096), (664, 30892572), (747, 27460064), (996, 20595048), (1328, 15446286), (1494, 13730032), (1992, 10297524), (2656, 7723143), (2988, 6865016), (3984, 5148762), (5976, 3432508), (7968, 2574381), (11952, 1716254), (23904, 858127)]