20069280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1$

素因数の和:220

約数の個数: 288

約数和(自身を含む): 85857408

約数和(自身を除く): 65788128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 96, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 160, 165, 168, 176, 180, 181, 198, 210, 220, 224, 231, 240, 252, 264, 280, 288, 308, 315, 330, 336, 352, 360, 362, 385, 396, 420, 440, 462, 480, 495, 504, 528, 543, 560, 616, 630, 660, 672, 693, 720, 724, 770, 792, 840, 880, 905, 924, 990, 1008, 1056, 1086, 1120, 1155, 1232, 1260, 1267, 1320, 1386, 1440, 1448, 1540, 1584, 1629, 1680, 1760, 1810, 1848, 1980, 1991, 2016, 2172, 2310, 2464, 2520, 2534, 2640, 2715, 2772, 2896, 3080, 3168, 3258, 3360, 3465, 3620, 3696, 3801, 3960, 3982, 4344, 4620, 5040, 5068, 5280, 5430, 5544, 5792, 5973, 6160, 6335, 6516, 6930, 7240, 7392, 7602, 7920, 7964, 8145, 8688, 9240, 9955, 10080, 10136, 10860, 11088, 11403, 11946, 12320, 12670, 13032, 13860, 13937, 14480, 15204, 15840, 15928, 16290, 17376, 17919, 18480, 19005, 19910, 20272, 21720, 22176, 22806, 23892, 25340, 26064, 27720, 27874, 28960, 29865, 30408, 31856, 32580, 35838, 36960, 38010, 39820, 40544, 41811, 43440, 45612, 47784, 50680, 52128, 55440, 55748, 57015, 59730, 60816, 63712, 65160, 69685, 71676, 76020, 79640, 83622, 86880, 89595, 91224, 95568, 101360, 110880, 111496, 114030, 119460, 121632, 125433, 130320, 139370, 143352, 152040, 159280, 167244, 179190, 182448, 191136, 202720, 209055, 222992, 228060, 238920, 250866, 260640, 278740, 286704, 304080, 318560, 334488, 358380, 364896, 418110, 445984, 456120, 477840, 501732, 557480, 573408, 608160, 627165, 668976, 716760, 836220, 912240, 955680, 1003464, 1114960, 1254330, 1337952, 1433520, 1672440, 1824480, 2006928, 2229920, 2508660, 2867040, 3344880, 4013856, 5017320, 6689760, 10034640, 20069280]

約数ペア:

[(1, 20069280), (2, 10034640), (3, 6689760), (4, 5017320), (5, 4013856), (6, 3344880), (7, 2867040), (8, 2508660), (9, 2229920), (10, 2006928), (11, 1824480), (12, 1672440), (14, 1433520), (15, 1337952), (16, 1254330), (18, 1114960), (20, 1003464), (21, 955680), (22, 912240), (24, 836220), (28, 716760), (30, 668976), (32, 627165), (33, 608160), (35, 573408), (36, 557480), (40, 501732), (42, 477840), (44, 456120), (45, 445984), (48, 418110), (55, 364896), (56, 358380), (60, 334488), (63, 318560), (66, 304080), (70, 286704), (72, 278740), (77, 260640), (80, 250866), (84, 238920), (88, 228060), (90, 222992), (96, 209055), (99, 202720), (105, 191136), (110, 182448), (112, 179190), (120, 167244), (126, 159280), (132, 152040), (140, 143352), (144, 139370), (154, 130320), (160, 125433), (165, 121632), (168, 119460), (176, 114030), (180, 111496), (181, 110880), (198, 101360), (210, 95568), (220, 91224), (224, 89595), (231, 86880), (240, 83622), (252, 79640), (264, 76020), (280, 71676), (288, 69685), (308, 65160), (315, 63712), (330, 60816), (336, 59730), (352, 57015), (360, 55748), (362, 55440), (385, 52128), (396, 50680), (420, 47784), (440, 45612), (462, 43440), (480, 41811), (495, 40544), (504, 39820), (528, 38010), (543, 36960), (560, 35838), (616, 32580), (630, 31856), (660, 30408), (672, 29865), (693, 28960), (720, 27874), (724, 27720), (770, 26064), (792, 25340), (840, 23892), (880, 22806), (905, 22176), (924, 21720), (990, 20272), (1008, 19910), (1056, 19005), (1086, 18480), (1120, 17919), (1155, 17376), (1232, 16290), (1260, 15928), (1267, 15840), (1320, 15204), (1386, 14480), (1440, 13937), (1448, 13860), (1540, 13032), (1584, 12670), (1629, 12320), (1680, 11946), (1760, 11403), (1810, 11088), (1848, 10860), (1980, 10136), (1991, 10080), (2016, 9955), (2172, 9240), (2310, 8688), (2464, 8145), (2520, 7964), (2534, 7920), (2640, 7602), (2715, 7392), (2772, 7240), (2896, 6930), (3080, 6516), (3168, 6335), (3258, 6160), (3360, 5973), (3465, 5792), (3620, 5544), (3696, 5430), (3801, 5280), (3960, 5068), (3982, 5040), (4344, 4620)]