About the Number

20500680

20500679 ← → 20500681

2進数表記:1001110001101000011001000

漢数字表記:二千五十万六百八十

素因数分解:

2 3 × 3 1 × 5 1 × 29 1 × 43 1 × 137 1

素因数の和:223
約数の個数: 128
約数和(自身を含む): 65577600
約数和(自身を除く): 45076920

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 43, 58, 60, 86, 87, 116, 120, 129, 137, 145, 172, 174, 215, 232, 258, 274, 290, 344, 348, 411, 430, 435, 516, 548, 580, 645, 685, 696, 822, 860, 870, 1032, 1096, 1160, 1247, 1290, 1370, 1644, 1720, 1740, 2055, 2494, 2580, 2740, 3288, 3480, 3741, 3973, 4110, 4988, 5160, 5480, 5891, 6235, 7482, 7946, 8220, 9976, 11782, 11919, 12470, 14964, 15892, 16440, 17673, 18705, 19865, 23564, 23838, 24940, 29455, 29928, 31784, 35346, 37410, 39730, 47128, 47676, 49880, 58910, 59595, 70692, 74820, 79460, 88365, 95352, 117820, 119190, 141384, 149640, 158920, 170839, 176730, 235640, 238380, 341678, 353460, 476760, 512517, 683356, 706920, 854195, 1025034, 1366712, 1708390, 2050068, 2562585, 3416780, 4100136, 5125170, 6833560, 10250340, 20500680]

約数ペア:
[(1, 20500680), (2, 10250340), (3, 6833560), (4, 5125170), (5, 4100136), (6, 3416780), (8, 2562585), (10, 2050068), (12, 1708390), (15, 1366712), (20, 1025034), (24, 854195), (29, 706920), (30, 683356), (40, 512517), (43, 476760), (58, 353460), (60, 341678), (86, 238380), (87, 235640), (116, 176730), (120, 170839), (129, 158920), (137, 149640), (145, 141384), (172, 119190), (174, 117820), (215, 95352), (232, 88365), (258, 79460), (274, 74820), (290, 70692), (344, 59595), (348, 58910), (411, 49880), (430, 47676), (435, 47128), (516, 39730), (548, 37410), (580, 35346), (645, 31784), (685, 29928), (696, 29455), (822, 24940), (860, 23838), (870, 23564), (1032, 19865), (1096, 18705), (1160, 17673), (1247, 16440), (1290, 15892), (1370, 14964), (1644, 12470), (1720, 11919), (1740, 11782), (2055, 9976), (2494, 8220), (2580, 7946), (2740, 7482), (3288, 6235), (3480, 5891), (3741, 5480), (3973, 5160), (4110, 4988)]

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