20956320

素因数分解:

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

素因数の和:55

約数の個数: 432

約数和(自身を含む): 94112928

約数和(自身を除く): 73156608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 27, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 49, 54, 55, 56, 60, 63, 66, 70, 72, 77, 80, 81, 84, 88, 90, 96, 98, 99, 105, 108, 110, 112, 120, 126, 132, 135, 140, 144, 147, 154, 160, 162, 165, 168, 176, 180, 189, 196, 198, 210, 216, 220, 224, 231, 240, 243, 245, 252, 264, 270, 280, 288, 294, 297, 308, 315, 324, 330, 336, 352, 360, 378, 385, 392, 396, 405, 420, 432, 440, 441, 462, 480, 486, 490, 495, 504, 528, 539, 540, 560, 567, 588, 594, 616, 630, 648, 660, 672, 693, 720, 735, 756, 770, 784, 792, 810, 840, 864, 880, 882, 891, 924, 945, 972, 980, 990, 1008, 1056, 1078, 1080, 1120, 1134, 1155, 1176, 1188, 1215, 1232, 1260, 1296, 1320, 1323, 1386, 1440, 1470, 1485, 1512, 1540, 1568, 1584, 1617, 1620, 1680, 1701, 1760, 1764, 1782, 1848, 1890, 1944, 1960, 1980, 2016, 2079, 2156, 2160, 2205, 2268, 2310, 2352, 2376, 2430, 2464, 2520, 2592, 2640, 2646, 2673, 2695, 2772, 2835, 2940, 2970, 3024, 3080, 3168, 3234, 3240, 3360, 3402, 3465, 3528, 3564, 3696, 3780, 3888, 3920, 3960, 3969, 4158, 4312, 4320, 4410, 4455, 4536, 4620, 4704, 4752, 4851, 4860, 5040, 5280, 5292, 5346, 5390, 5544, 5670, 5880, 5940, 6048, 6160, 6237, 6468, 6480, 6615, 6804, 6930, 7056, 7128, 7392, 7560, 7776, 7840, 7920, 7938, 8085, 8316, 8505, 8624, 8820, 8910, 9072, 9240, 9504, 9702, 9720, 10080, 10395, 10584, 10692, 10780, 11088, 11340, 11760, 11880, 11907, 12320, 12474, 12936, 12960, 13230, 13365, 13608, 13860, 14112, 14256, 14553, 15120, 15840, 15876, 16170, 16632, 17010, 17248, 17640, 17820, 18144, 18480, 18711, 19404, 19440, 19845, 20790, 21168, 21384, 21560, 22176, 22680, 23520, 23760, 23814, 24255, 24948, 25872, 26460, 26730, 27216, 27720, 28512, 29106, 30240, 31185, 31752, 32340, 33264, 34020, 35280, 35640, 36960, 37422, 38808, 38880, 39690, 41580, 42336, 42768, 43120, 43659, 45360, 47520, 47628, 48510, 49896, 51744, 52920, 53460, 54432, 55440, 58212, 59535, 62370, 63504, 64680, 66528, 68040, 70560, 71280, 72765, 74844, 77616, 79380, 83160, 85536, 86240, 87318, 90720, 93555, 95256, 97020, 99792, 105840, 106920, 110880, 116424, 119070, 124740, 127008, 129360, 130977, 136080, 142560, 145530, 149688, 155232, 158760, 166320, 174636, 187110, 190512, 194040, 199584, 211680, 213840, 218295, 232848, 238140, 249480, 258720, 261954, 272160, 291060, 299376, 317520, 332640, 349272, 374220, 381024, 388080, 427680, 436590, 465696, 476280, 498960, 523908, 582120, 598752, 635040, 654885, 698544, 748440, 776160, 873180, 952560, 997920, 1047816, 1164240, 1309770, 1397088, 1496880, 1746360, 1905120, 2095632, 2328480, 2619540, 2993760, 3492720, 4191264, 5239080, 6985440, 10478160, 20956320]

約数ペア:

[(1, 20956320), (2, 10478160), (3, 6985440), (4, 5239080), (5, 4191264), (6, 3492720), (7, 2993760), (8, 2619540), (9, 2328480), (10, 2095632), (11, 1905120), (12, 1746360), (14, 1496880), (15, 1397088), (16, 1309770), (18, 1164240), (20, 1047816), (21, 997920), (22, 952560), (24, 873180), (27, 776160), (28, 748440), (30, 698544), (32, 654885), (33, 635040), (35, 598752), (36, 582120), (40, 523908), (42, 498960), (44, 476280), (45, 465696), (48, 436590), (49, 427680), (54, 388080), (55, 381024), (56, 374220), (60, 349272), (63, 332640), (66, 317520), (70, 299376), (72, 291060), (77, 272160), (80, 261954), (81, 258720), (84, 249480), (88, 238140), (90, 232848), (96, 218295), (98, 213840), (99, 211680), (105, 199584), (108, 194040), (110, 190512), (112, 187110), (120, 174636), (126, 166320), (132, 158760), (135, 155232), (140, 149688), (144, 145530), (147, 142560), (154, 136080), (160, 130977), (162, 129360), (165, 127008), (168, 124740), (176, 119070), (180, 116424), (189, 110880), (196, 106920), (198, 105840), (210, 99792), (216, 97020), (220, 95256), (224, 93555), (231, 90720), (240, 87318), (243, 86240), (245, 85536), (252, 83160), (264, 79380), (270, 77616), (280, 74844), (288, 72765), (294, 71280), (297, 70560), (308, 68040), (315, 66528), (324, 64680), (330, 63504), (336, 62370), (352, 59535), (360, 58212), (378, 55440), (385, 54432), (392, 53460), (396, 52920), (405, 51744), (420, 49896), (432, 48510), (440, 47628), (441, 47520), (462, 45360), (480, 43659), (486, 43120), (490, 42768), (495, 42336), (504, 41580), (528, 39690), (539, 38880), (540, 38808), (560, 37422), (567, 36960), (588, 35640), (594, 35280), (616, 34020), (630, 33264), (648, 32340), (660, 31752), (672, 31185), (693, 30240), (720, 29106), (735, 28512), (756, 27720), (770, 27216), (784, 26730), (792, 26460), (810, 25872), (840, 24948), (864, 24255), (880, 23814), (882, 23760), (891, 23520), (924, 22680), (945, 22176), (972, 21560), (980, 21384), (990, 21168), (1008, 20790), (1056, 19845), (1078, 19440), (1080, 19404), (1120, 18711), (1134, 18480), (1155, 18144), (1176, 17820), (1188, 17640), (1215, 17248), (1232, 17010), (1260, 16632), (1296, 16170), (1320, 15876), (1323, 15840), (1386, 15120), (1440, 14553), (1470, 14256), (1485, 14112), (1512, 13860), (1540, 13608), (1568, 13365), (1584, 13230), (1617, 12960), (1620, 12936), (1680, 12474), (1701, 12320), (1760, 11907), (1764, 11880), (1782, 11760), (1848, 11340), (1890, 11088), (1944, 10780), (1960, 10692), (1980, 10584), (2016, 10395), (2079, 10080), (2156, 9720), (2160, 9702), (2205, 9504), (2268, 9240), (2310, 9072), (2352, 8910), (2376, 8820), (2430, 8624), (2464, 8505), (2520, 8316), (2592, 8085), (2640, 7938), (2646, 7920), (2673, 7840), (2695, 7776), (2772, 7560), (2835, 7392), (2940, 7128), (2970, 7056), (3024, 6930), (3080, 6804), (3168, 6615), (3234, 6480), (3240, 6468), (3360, 6237), (3402, 6160), (3465, 6048), (3528, 5940), (3564, 5880), (3696, 5670), (3780, 5544), (3888, 5390), (3920, 5346), (3960, 5292), (3969, 5280), (4158, 5040), (4312, 4860), (4320, 4851), (4410, 4752), (4455, 4704), (4536, 4620)]