20706840

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1$

素因数の和:124

約数の個数: 320

約数和(自身を含む): 87816960

約数和(自身を除く): 67110120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 81, 83, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 162, 165, 166, 168, 180, 189, 198, 210, 216, 220, 231, 249, 252, 264, 270, 280, 297, 308, 315, 324, 330, 332, 360, 378, 385, 396, 405, 415, 420, 440, 462, 495, 498, 504, 540, 567, 581, 594, 616, 630, 648, 660, 664, 693, 747, 756, 770, 792, 810, 830, 840, 891, 913, 924, 945, 990, 996, 1080, 1134, 1155, 1162, 1188, 1245, 1260, 1320, 1386, 1485, 1494, 1512, 1540, 1620, 1660, 1743, 1782, 1826, 1848, 1890, 1980, 1992, 2079, 2241, 2268, 2310, 2324, 2376, 2490, 2520, 2739, 2772, 2835, 2905, 2970, 2988, 3080, 3240, 3320, 3465, 3486, 3564, 3652, 3735, 3780, 3960, 4158, 4455, 4482, 4536, 4565, 4620, 4648, 4980, 5229, 5478, 5544, 5670, 5810, 5940, 5976, 6237, 6391, 6723, 6930, 6972, 7128, 7304, 7470, 7560, 8217, 8316, 8715, 8910, 8964, 9130, 9240, 9960, 10395, 10458, 10956, 11205, 11340, 11620, 11880, 12474, 12782, 13446, 13695, 13860, 13944, 14940, 15687, 16434, 16632, 17430, 17820, 17928, 18260, 19173, 20790, 20916, 21912, 22410, 22680, 23240, 24651, 24948, 25564, 26145, 26892, 27390, 27720, 29880, 31185, 31374, 31955, 32868, 33615, 34860, 35640, 36520, 38346, 41085, 41580, 41832, 44820, 47061, 49302, 49896, 51128, 52290, 53784, 54780, 57519, 62370, 62748, 63910, 65736, 67230, 69720, 73953, 76692, 78435, 82170, 83160, 89640, 94122, 95865, 98604, 104580, 109560, 115038, 123255, 124740, 125496, 127820, 134460, 147906, 153384, 156870, 164340, 172557, 188244, 191730, 197208, 209160, 230076, 235305, 246510, 249480, 255640, 268920, 287595, 295812, 313740, 328680, 345114, 369765, 376488, 383460, 460152, 470610, 493020, 517671, 575190, 591624, 627480, 690228, 739530, 766920, 862785, 941220, 986040, 1035342, 1150380, 1380456, 1479060, 1725570, 1882440, 2070684, 2300760, 2588355, 2958120, 3451140, 4141368, 5176710, 6902280, 10353420, 20706840]

約数ペア:

[(1, 20706840), (2, 10353420), (3, 6902280), (4, 5176710), (5, 4141368), (6, 3451140), (7, 2958120), (8, 2588355), (9, 2300760), (10, 2070684), (11, 1882440), (12, 1725570), (14, 1479060), (15, 1380456), (18, 1150380), (20, 1035342), (21, 986040), (22, 941220), (24, 862785), (27, 766920), (28, 739530), (30, 690228), (33, 627480), (35, 591624), (36, 575190), (40, 517671), (42, 493020), (44, 470610), (45, 460152), (54, 383460), (55, 376488), (56, 369765), (60, 345114), (63, 328680), (66, 313740), (70, 295812), (72, 287595), (77, 268920), (81, 255640), (83, 249480), (84, 246510), (88, 235305), (90, 230076), (99, 209160), (105, 197208), (108, 191730), (110, 188244), (120, 172557), (126, 164340), (132, 156870), (135, 153384), (140, 147906), (154, 134460), (162, 127820), (165, 125496), (166, 124740), (168, 123255), (180, 115038), (189, 109560), (198, 104580), (210, 98604), (216, 95865), (220, 94122), (231, 89640), (249, 83160), (252, 82170), (264, 78435), (270, 76692), (280, 73953), (297, 69720), (308, 67230), (315, 65736), (324, 63910), (330, 62748), (332, 62370), (360, 57519), (378, 54780), (385, 53784), (396, 52290), (405, 51128), (415, 49896), (420, 49302), (440, 47061), (462, 44820), (495, 41832), (498, 41580), (504, 41085), (540, 38346), (567, 36520), (581, 35640), (594, 34860), (616, 33615), (630, 32868), (648, 31955), (660, 31374), (664, 31185), (693, 29880), (747, 27720), (756, 27390), (770, 26892), (792, 26145), (810, 25564), (830, 24948), (840, 24651), (891, 23240), (913, 22680), (924, 22410), (945, 21912), (990, 20916), (996, 20790), (1080, 19173), (1134, 18260), (1155, 17928), (1162, 17820), (1188, 17430), (1245, 16632), (1260, 16434), (1320, 15687), (1386, 14940), (1485, 13944), (1494, 13860), (1512, 13695), (1540, 13446), (1620, 12782), (1660, 12474), (1743, 11880), (1782, 11620), (1826, 11340), (1848, 11205), (1890, 10956), (1980, 10458), (1992, 10395), (2079, 9960), (2241, 9240), (2268, 9130), (2310, 8964), (2324, 8910), (2376, 8715), (2490, 8316), (2520, 8217), (2739, 7560), (2772, 7470), (2835, 7304), (2905, 7128), (2970, 6972), (2988, 6930), (3080, 6723), (3240, 6391), (3320, 6237), (3465, 5976), (3486, 5940), (3564, 5810), (3652, 5670), (3735, 5544), (3780, 5478), (3960, 5229), (4158, 4980), (4455, 4648), (4482, 4620), (4536, 4565)]