20888915040

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{230257}}^1$

素因数の和:230291

約数の個数: 240

約数和(自身を含む): 84252323232

約数和(自身を除く): 63363408192

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 7560, 9072, 10080, 11340, 12960, 15120, 18144, 22680, 30240, 45360, 90720, 230257, 460514, 690771, 921028, 1151285, 1381542, 1611799, 1842056, 2072313, 2302570, 2763084, 3223598, 3453855, 3684112, 4144626, 4605140, 4835397, 5526168, 6216939, 6447196, 6907710, 7368224, 8058995, 8289252, 9210280, 9670794, 10361565, 11052336, 12433878, 12894392, 13815420, 14506191, 16117990, 16578504, 18420560, 18650817, 19341588, 20723130, 22104672, 24176985, 24867756, 25788784, 27630840, 29012382, 31084695, 32235980, 33157008, 36841120, 37301634, 38683176, 41446260, 43518573, 48353970, 49735512, 51577568, 55261680, 58024764, 62169390, 64471960, 66314016, 72530955, 74603268, 77366352, 82892520, 87037146, 93254085, 96707940, 99471024, 110523360, 116049528, 124338780, 128943920, 130555719, 145061910, 149206536, 154732704, 165785040, 174074292, 186508170, 193415880, 198942048, 217592865, 232099056, 248677560, 257887840, 261111438, 290123820, 298413072, 331570080, 348148584, 373016340, 386831760, 435185730, 464198112, 497355120, 522222876, 580247640, 596826144, 652778595, 696297168, 746032680, 773663520, 870371460, 994710240, 1044445752, 1160495280, 1305557190, 1392594336, 1492065360, 1740742920, 2088891504, 2320990560, 2611114380, 2984130720, 3481485840, 4177783008, 5222228760, 6962971680, 10444457520, 20888915040]

約数ペア:

[(1, 20888915040), (2, 10444457520), (3, 6962971680), (4, 5222228760), (5, 4177783008), (6, 3481485840), (7, 2984130720), (8, 2611114380), (9, 2320990560), (10, 2088891504), (12, 1740742920), (14, 1492065360), (15, 1392594336), (16, 1305557190), (18, 1160495280), (20, 1044445752), (21, 994710240), (24, 870371460), (27, 773663520), (28, 746032680), (30, 696297168), (32, 652778595), (35, 596826144), (36, 580247640), (40, 522222876), (42, 497355120), (45, 464198112), (48, 435185730), (54, 386831760), (56, 373016340), (60, 348148584), (63, 331570080), (70, 298413072), (72, 290123820), (80, 261111438), (81, 257887840), (84, 248677560), (90, 232099056), (96, 217592865), (105, 198942048), (108, 193415880), (112, 186508170), (120, 174074292), (126, 165785040), (135, 154732704), (140, 149206536), (144, 145061910), (160, 130555719), (162, 128943920), (168, 124338780), (180, 116049528), (189, 110523360), (210, 99471024), (216, 96707940), (224, 93254085), (240, 87037146), (252, 82892520), (270, 77366352), (280, 74603268), (288, 72530955), (315, 66314016), (324, 64471960), (336, 62169390), (360, 58024764), (378, 55261680), (405, 51577568), (420, 49735512), (432, 48353970), (480, 43518573), (504, 41446260), (540, 38683176), (560, 37301634), (567, 36841120), (630, 33157008), (648, 32235980), (672, 31084695), (720, 29012382), (756, 27630840), (810, 25788784), (840, 24867756), (864, 24176985), (945, 22104672), (1008, 20723130), (1080, 19341588), (1120, 18650817), (1134, 18420560), (1260, 16578504), (1296, 16117990), (1440, 14506191), (1512, 13815420), (1620, 12894392), (1680, 12433878), (1890, 11052336), (2016, 10361565), (2160, 9670794), (2268, 9210280), (2520, 8289252), (2592, 8058995), (2835, 7368224), (3024, 6907710), (3240, 6447196), (3360, 6216939), (3780, 5526168), (4320, 4835397), (4536, 4605140), (5040, 4144626), (5670, 3684112), (6048, 3453855), (6480, 3223598), (7560, 2763084), (9072, 2302570), (10080, 2072313), (11340, 1842056), (12960, 1611799), (15120, 1381542), (18144, 1151285), (22680, 921028), (30240, 690771), (45360, 460514), (90720, 230257)]