20454918540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59611}}^1$

素因数の和:59692

約数の個数: 192

約数和(自身を含む): 70504304640

約数和(自身を除く): 50049386100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 43, 57, 60, 70, 76, 84, 86, 95, 105, 114, 129, 133, 140, 172, 190, 210, 215, 228, 258, 266, 285, 301, 380, 399, 420, 430, 516, 532, 570, 602, 645, 665, 798, 817, 860, 903, 1140, 1204, 1290, 1330, 1505, 1596, 1634, 1806, 1995, 2451, 2580, 2660, 3010, 3268, 3612, 3990, 4085, 4515, 4902, 5719, 6020, 7980, 8170, 9030, 9804, 11438, 12255, 16340, 17157, 18060, 22876, 24510, 28595, 34314, 49020, 57190, 59611, 68628, 85785, 114380, 119222, 171570, 178833, 238444, 298055, 343140, 357666, 417277, 596110, 715332, 834554, 894165, 1132609, 1192220, 1251831, 1669108, 1788330, 2086385, 2265218, 2503662, 2563273, 3397827, 3576660, 4172770, 4530436, 5007324, 5126546, 5663045, 6259155, 6795654, 7689819, 7928263, 8345540, 10253092, 11326090, 12518310, 12816365, 13591308, 15379638, 15856526, 16989135, 17942911, 22652180, 23784789, 25036620, 25632730, 30759276, 31713052, 33978270, 35885822, 38449095, 39641315, 47569578, 48702187, 51265460, 53828733, 67956540, 71771644, 76898190, 79282630, 89714555, 95139156, 97404374, 107657466, 118923945, 146106561, 153796380, 158565260, 179429110, 194808748, 215314932, 237847890, 243510935, 269143665, 292213122, 340915309, 358858220, 475695780, 487021870, 538287330, 584426244, 681830618, 730532805, 974043740, 1022745927, 1076574660, 1363661236, 1461065610, 1704576545, 2045491854, 2922131220, 3409153090, 4090983708, 5113729635, 6818306180, 10227459270, 20454918540]

約数ペア:

[(1, 20454918540), (2, 10227459270), (3, 6818306180), (4, 5113729635), (5, 4090983708), (6, 3409153090), (7, 2922131220), (10, 2045491854), (12, 1704576545), (14, 1461065610), (15, 1363661236), (19, 1076574660), (20, 1022745927), (21, 974043740), (28, 730532805), (30, 681830618), (35, 584426244), (38, 538287330), (42, 487021870), (43, 475695780), (57, 358858220), (60, 340915309), (70, 292213122), (76, 269143665), (84, 243510935), (86, 237847890), (95, 215314932), (105, 194808748), (114, 179429110), (129, 158565260), (133, 153796380), (140, 146106561), (172, 118923945), (190, 107657466), (210, 97404374), (215, 95139156), (228, 89714555), (258, 79282630), (266, 76898190), (285, 71771644), (301, 67956540), (380, 53828733), (399, 51265460), (420, 48702187), (430, 47569578), (516, 39641315), (532, 38449095), (570, 35885822), (602, 33978270), (645, 31713052), (665, 30759276), (798, 25632730), (817, 25036620), (860, 23784789), (903, 22652180), (1140, 17942911), (1204, 16989135), (1290, 15856526), (1330, 15379638), (1505, 13591308), (1596, 12816365), (1634, 12518310), (1806, 11326090), (1995, 10253092), (2451, 8345540), (2580, 7928263), (2660, 7689819), (3010, 6795654), (3268, 6259155), (3612, 5663045), (3990, 5126546), (4085, 5007324), (4515, 4530436), (4902, 4172770), (5719, 3576660), (6020, 3397827), (7980, 2563273), (8170, 2503662), (9030, 2265218), (9804, 2086385), (11438, 1788330), (12255, 1669108), (16340, 1251831), (17157, 1192220), (18060, 1132609), (22876, 894165), (24510, 834554), (28595, 715332), (34314, 596110), (49020, 417277), (57190, 357666), (59611, 343140), (68628, 298055), (85785, 238444), (114380, 178833), (119222, 171570)]