20944208880

素因数分解:

$2^4\times 3^5\times 5^1\times 7^1\times {\mathrm{153911}}^1$

素因数の和:153946

約数の個数: 240

約数和(自身を含む): 83363664384

約数和(自身を除く): 62419455504

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 243, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 486, 504, 540, 560, 567, 630, 648, 720, 756, 810, 840, 945, 972, 1008, 1080, 1134, 1215, 1260, 1296, 1512, 1620, 1680, 1701, 1890, 1944, 2160, 2268, 2430, 2520, 2835, 3024, 3240, 3402, 3780, 3888, 4536, 4860, 5040, 5670, 6480, 6804, 7560, 8505, 9072, 9720, 11340, 13608, 15120, 17010, 19440, 22680, 27216, 34020, 45360, 68040, 136080, 153911, 307822, 461733, 615644, 769555, 923466, 1077377, 1231288, 1385199, 1539110, 1846932, 2154754, 2308665, 2462576, 2770398, 3078220, 3232131, 3693864, 4155597, 4309508, 4617330, 5386885, 5540796, 6156440, 6464262, 6925995, 7387728, 8311194, 8619016, 9234660, 9696393, 10773770, 11081592, 12312880, 12466791, 12928524, 13851990, 16160655, 16622388, 17238032, 18469320, 19392786, 20777985, 21547540, 22163184, 24933582, 25857048, 27703980, 29089179, 32321310, 33244776, 36938640, 37400373, 38785572, 41555970, 43095080, 48481965, 49867164, 51714096, 55407960, 58178358, 62333955, 64642620, 66489552, 74800746, 77571144, 83111940, 86190160, 87267537, 96963930, 99734328, 110815920, 116356716, 124667910, 129285240, 145445895, 149601492, 155142288, 166223880, 174535074, 187001865, 193927860, 199468656, 232713432, 249335820, 258570480, 261802611, 290891790, 299202984, 332447760, 349070148, 374003730, 387855720, 436337685, 465426864, 498671640, 523605222, 581783580, 598405968, 698140296, 748007460, 775711440, 872675370, 997343280, 1047210444, 1163567160, 1309013055, 1396280592, 1496014920, 1745350740, 2094420888, 2327134320, 2618026110, 2992029840, 3490701480, 4188841776, 5236052220, 6981402960, 10472104440, 20944208880]

約数ペア:

[(1, 20944208880), (2, 10472104440), (3, 6981402960), (4, 5236052220), (5, 4188841776), (6, 3490701480), (7, 2992029840), (8, 2618026110), (9, 2327134320), (10, 2094420888), (12, 1745350740), (14, 1496014920), (15, 1396280592), (16, 1309013055), (18, 1163567160), (20, 1047210444), (21, 997343280), (24, 872675370), (27, 775711440), (28, 748007460), (30, 698140296), (35, 598405968), (36, 581783580), (40, 523605222), (42, 498671640), (45, 465426864), (48, 436337685), (54, 387855720), (56, 374003730), (60, 349070148), (63, 332447760), (70, 299202984), (72, 290891790), (80, 261802611), (81, 258570480), (84, 249335820), (90, 232713432), (105, 199468656), (108, 193927860), (112, 187001865), (120, 174535074), (126, 166223880), (135, 155142288), (140, 149601492), (144, 145445895), (162, 129285240), (168, 124667910), (180, 116356716), (189, 110815920), (210, 99734328), (216, 96963930), (240, 87267537), (243, 86190160), (252, 83111940), (270, 77571144), (280, 74800746), (315, 66489552), (324, 64642620), (336, 62333955), (360, 58178358), (378, 55407960), (405, 51714096), (420, 49867164), (432, 48481965), (486, 43095080), (504, 41555970), (540, 38785572), (560, 37400373), (567, 36938640), (630, 33244776), (648, 32321310), (720, 29089179), (756, 27703980), (810, 25857048), (840, 24933582), (945, 22163184), (972, 21547540), (1008, 20777985), (1080, 19392786), (1134, 18469320), (1215, 17238032), (1260, 16622388), (1296, 16160655), (1512, 13851990), (1620, 12928524), (1680, 12466791), (1701, 12312880), (1890, 11081592), (1944, 10773770), (2160, 9696393), (2268, 9234660), (2430, 8619016), (2520, 8311194), (2835, 7387728), (3024, 6925995), (3240, 6464262), (3402, 6156440), (3780, 5540796), (3888, 5386885), (4536, 4617330), (4860, 4309508), (5040, 4155597), (5670, 3693864), (6480, 3232131), (6804, 3078220), (7560, 2770398), (8505, 2462576), (9072, 2308665), (9720, 2154754), (11340, 1846932), (13608, 1539110), (15120, 1385199), (17010, 1231288), (19440, 1077377), (22680, 923466), (27216, 769555), (34020, 615644), (45360, 461733), (68040, 307822), (136080, 153911)]