20809136880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{133187}}^1$

素因数の和:133244

約数の個数: 240

約数和(自身を含む): 82444437504

約数和(自身を除く): 61635300624

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1680, 1736, 1860, 1953, 2170, 2232, 2480, 2520, 2604, 2790, 3255, 3472, 3720, 3906, 4340, 4464, 5040, 5208, 5580, 6510, 7440, 7812, 8680, 9765, 10416, 11160, 13020, 15624, 17360, 19530, 22320, 26040, 31248, 39060, 52080, 78120, 133187, 156240, 266374, 399561, 532748, 665935, 799122, 932309, 1065496, 1198683, 1331870, 1598244, 1864618, 1997805, 2130992, 2397366, 2663740, 2796927, 3196488, 3729236, 3995610, 4128797, 4661545, 4794732, 5327480, 5593854, 5993415, 6392976, 7458472, 7991220, 8257594, 8390781, 9323090, 9589464, 10654960, 11187708, 11986830, 12386391, 13984635, 14916944, 15982440, 16515188, 16781562, 18646180, 19178928, 20643985, 22375416, 23973660, 24772782, 27969270, 28901579, 31964880, 33030376, 33563124, 37159173, 37292360, 41287970, 41953905, 44750832, 47947320, 49545564, 55938540, 57803158, 61931955, 66060752, 67126248, 74318346, 74584720, 82575940, 83907810, 86704737, 95894640, 99091128, 111877080, 115606316, 123863910, 134252496, 144507895, 148636692, 165151880, 167815620, 173409474, 185795865, 198182256, 223754160, 231212632, 247727820, 260114211, 289015790, 297273384, 330303760, 335631240, 346818948, 371591730, 433523685, 462425264, 495455640, 520228422, 578031580, 594546768, 671262480, 693637896, 743183460, 867047370, 990911280, 1040456844, 1156063160, 1300571055, 1387275792, 1486366920, 1734094740, 2080913688, 2312126320, 2601142110, 2972733840, 3468189480, 4161827376, 5202284220, 6936378960, 10404568440, 20809136880]

約数ペア:

[(1, 20809136880), (2, 10404568440), (3, 6936378960), (4, 5202284220), (5, 4161827376), (6, 3468189480), (7, 2972733840), (8, 2601142110), (9, 2312126320), (10, 2080913688), (12, 1734094740), (14, 1486366920), (15, 1387275792), (16, 1300571055), (18, 1156063160), (20, 1040456844), (21, 990911280), (24, 867047370), (28, 743183460), (30, 693637896), (31, 671262480), (35, 594546768), (36, 578031580), (40, 520228422), (42, 495455640), (45, 462425264), (48, 433523685), (56, 371591730), (60, 346818948), (62, 335631240), (63, 330303760), (70, 297273384), (72, 289015790), (80, 260114211), (84, 247727820), (90, 231212632), (93, 223754160), (105, 198182256), (112, 185795865), (120, 173409474), (124, 167815620), (126, 165151880), (140, 148636692), (144, 144507895), (155, 134252496), (168, 123863910), (180, 115606316), (186, 111877080), (210, 99091128), (217, 95894640), (240, 86704737), (248, 83907810), (252, 82575940), (279, 74584720), (280, 74318346), (310, 67126248), (315, 66060752), (336, 61931955), (360, 57803158), (372, 55938540), (420, 49545564), (434, 47947320), (465, 44750832), (496, 41953905), (504, 41287970), (558, 37292360), (560, 37159173), (620, 33563124), (630, 33030376), (651, 31964880), (720, 28901579), (744, 27969270), (840, 24772782), (868, 23973660), (930, 22375416), (1008, 20643985), (1085, 19178928), (1116, 18646180), (1240, 16781562), (1260, 16515188), (1302, 15982440), (1395, 14916944), (1488, 13984635), (1680, 12386391), (1736, 11986830), (1860, 11187708), (1953, 10654960), (2170, 9589464), (2232, 9323090), (2480, 8390781), (2520, 8257594), (2604, 7991220), (2790, 7458472), (3255, 6392976), (3472, 5993415), (3720, 5593854), (3906, 5327480), (4340, 4794732), (4464, 4661545), (5040, 4128797), (5208, 3995610), (5580, 3729236), (6510, 3196488), (7440, 2796927), (7812, 2663740), (8680, 2397366), (9765, 2130992), (10416, 1997805), (11160, 1864618), (13020, 1598244), (15624, 1331870), (17360, 1198683), (19530, 1065496), (22320, 932309), (26040, 799122), (31248, 665935), (39060, 532748), (52080, 399561), (78120, 266374), (133187, 156240)]