20408008064

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{69593}}^1$

素因数の和:69715

約数の個数: 64

約数和(自身を含む): 42591528000

約数和(自身を除く): 22183519936

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 79, 116, 128, 158, 232, 316, 464, 632, 928, 1264, 1856, 2291, 2528, 3712, 4582, 5056, 9164, 10112, 18328, 36656, 69593, 73312, 139186, 146624, 278372, 293248, 556744, 1113488, 2018197, 2226976, 4036394, 4453952, 5497847, 8072788, 8907904, 10995694, 16145576, 21991388, 32291152, 43982776, 64582304, 87965552, 129164608, 159437563, 175931104, 258329216, 318875126, 351862208, 637750252, 703724416, 1275500504, 2551001008, 5102002016, 10204004032, 20408008064]

約数ペア:

[(1, 20408008064), (2, 10204004032), (4, 5102002016), (8, 2551001008), (16, 1275500504), (29, 703724416), (32, 637750252), (58, 351862208), (64, 318875126), (79, 258329216), (116, 175931104), (128, 159437563), (158, 129164608), (232, 87965552), (316, 64582304), (464, 43982776), (632, 32291152), (928, 21991388), (1264, 16145576), (1856, 10995694), (2291, 8907904), (2528, 8072788), (3712, 5497847), (4582, 4453952), (5056, 4036394), (9164, 2226976), (10112, 2018197), (18328, 1113488), (36656, 556744), (69593, 293248), (73312, 278372), (139186, 146624)]