20498940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:82

約数の個数: 384

約数和(自身を含む): 87091200

約数和(自身を除く): 66592260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 17, 18, 20, 21, 22, 27, 28, 29, 30, 33, 34, 35, 36, 42, 44, 45, 51, 54, 55, 58, 60, 63, 66, 68, 70, 77, 84, 85, 87, 90, 99, 102, 105, 108, 110, 116, 119, 126, 132, 135, 140, 145, 153, 154, 165, 170, 174, 180, 187, 189, 198, 203, 204, 210, 220, 231, 238, 252, 255, 261, 270, 290, 297, 306, 308, 315, 319, 330, 340, 348, 357, 374, 378, 385, 396, 406, 420, 435, 459, 462, 476, 493, 495, 510, 522, 540, 561, 580, 594, 595, 609, 612, 630, 638, 660, 693, 714, 748, 756, 765, 770, 783, 812, 870, 918, 924, 935, 945, 957, 986, 990, 1015, 1020, 1044, 1071, 1122, 1155, 1188, 1190, 1218, 1260, 1276, 1305, 1309, 1386, 1428, 1479, 1485, 1530, 1540, 1566, 1595, 1683, 1740, 1785, 1827, 1836, 1870, 1890, 1914, 1972, 1980, 2030, 2079, 2142, 2233, 2244, 2295, 2310, 2380, 2436, 2465, 2610, 2618, 2772, 2805, 2871, 2958, 2970, 3045, 3060, 3132, 3190, 3213, 3366, 3451, 3465, 3570, 3654, 3740, 3780, 3828, 3915, 3927, 4060, 4158, 4284, 4437, 4466, 4590, 4620, 4785, 4930, 5049, 5220, 5236, 5355, 5423, 5481, 5610, 5742, 5916, 5940, 6090, 6380, 6426, 6545, 6699, 6732, 6902, 6930, 7140, 7308, 7395, 7830, 7854, 8316, 8415, 8613, 8874, 8932, 9135, 9180, 9570, 9860, 10098, 10353, 10395, 10710, 10846, 10962, 11165, 11220, 11484, 11781, 12180, 12852, 13090, 13311, 13398, 13804, 13860, 14355, 14790, 15660, 15708, 16065, 16269, 16830, 17226, 17255, 17748, 18270, 19140, 19635, 20097, 20196, 20706, 20790, 21420, 21692, 21924, 22185, 22330, 23562, 25245, 26180, 26622, 26796, 27115, 27405, 28710, 29580, 31059, 32130, 32538, 33495, 33660, 34452, 34510, 35343, 36540, 37961, 39270, 40194, 41412, 41580, 43065, 44370, 44660, 47124, 48807, 50490, 51765, 53244, 54230, 54810, 57420, 58905, 60291, 62118, 64260, 65076, 66555, 66990, 69020, 70686, 75922, 78540, 80388, 81345, 86130, 88740, 93177, 97614, 100485, 100980, 103530, 108460, 109620, 113883, 117810, 120582, 124236, 133110, 133980, 141372, 146421, 151844, 155295, 162690, 172260, 176715, 186354, 189805, 195228, 200970, 207060, 227766, 235620, 241164, 244035, 266220, 292842, 301455, 310590, 325380, 341649, 353430, 372708, 379610, 401940, 455532, 465885, 488070, 569415, 585684, 602910, 621180, 683298, 706860, 732105, 759220, 931770, 976140, 1024947, 1138830, 1205820, 1366596, 1464210, 1708245, 1863540, 2049894, 2277660, 2928420, 3416490, 4099788, 5124735, 6832980, 10249470, 20498940]

約数ペア:

[(1, 20498940), (2, 10249470), (3, 6832980), (4, 5124735), (5, 4099788), (6, 3416490), (7, 2928420), (9, 2277660), (10, 2049894), (11, 1863540), (12, 1708245), (14, 1464210), (15, 1366596), (17, 1205820), (18, 1138830), (20, 1024947), (21, 976140), (22, 931770), (27, 759220), (28, 732105), (29, 706860), (30, 683298), (33, 621180), (34, 602910), (35, 585684), (36, 569415), (42, 488070), (44, 465885), (45, 455532), (51, 401940), (54, 379610), (55, 372708), (58, 353430), (60, 341649), (63, 325380), (66, 310590), (68, 301455), (70, 292842), (77, 266220), (84, 244035), (85, 241164), (87, 235620), (90, 227766), (99, 207060), (102, 200970), (105, 195228), (108, 189805), (110, 186354), (116, 176715), (119, 172260), (126, 162690), (132, 155295), (135, 151844), (140, 146421), (145, 141372), (153, 133980), (154, 133110), (165, 124236), (170, 120582), (174, 117810), (180, 113883), (187, 109620), (189, 108460), (198, 103530), (203, 100980), (204, 100485), (210, 97614), (220, 93177), (231, 88740), (238, 86130), (252, 81345), (255, 80388), (261, 78540), (270, 75922), (290, 70686), (297, 69020), (306, 66990), (308, 66555), (315, 65076), (319, 64260), (330, 62118), (340, 60291), (348, 58905), (357, 57420), (374, 54810), (378, 54230), (385, 53244), (396, 51765), (406, 50490), (420, 48807), (435, 47124), (459, 44660), (462, 44370), (476, 43065), (493, 41580), (495, 41412), (510, 40194), (522, 39270), (540, 37961), (561, 36540), (580, 35343), (594, 34510), (595, 34452), (609, 33660), (612, 33495), (630, 32538), (638, 32130), (660, 31059), (693, 29580), (714, 28710), (748, 27405), (756, 27115), (765, 26796), (770, 26622), (783, 26180), (812, 25245), (870, 23562), (918, 22330), (924, 22185), (935, 21924), (945, 21692), (957, 21420), (986, 20790), (990, 20706), (1015, 20196), (1020, 20097), (1044, 19635), (1071, 19140), (1122, 18270), (1155, 17748), (1188, 17255), (1190, 17226), (1218, 16830), (1260, 16269), (1276, 16065), (1305, 15708), (1309, 15660), (1386, 14790), (1428, 14355), (1479, 13860), (1485, 13804), (1530, 13398), (1540, 13311), (1566, 13090), (1595, 12852), (1683, 12180), (1740, 11781), (1785, 11484), (1827, 11220), (1836, 11165), (1870, 10962), (1890, 10846), (1914, 10710), (1972, 10395), (1980, 10353), (2030, 10098), (2079, 9860), (2142, 9570), (2233, 9180), (2244, 9135), (2295, 8932), (2310, 8874), (2380, 8613), (2436, 8415), (2465, 8316), (2610, 7854), (2618, 7830), (2772, 7395), (2805, 7308), (2871, 7140), (2958, 6930), (2970, 6902), (3045, 6732), (3060, 6699), (3132, 6545), (3190, 6426), (3213, 6380), (3366, 6090), (3451, 5940), (3465, 5916), (3570, 5742), (3654, 5610), (3740, 5481), (3780, 5423), (3828, 5355), (3915, 5236), (3927, 5220), (4060, 5049), (4158, 4930), (4284, 4785), (4437, 4620), (4466, 4590)]