20734560

素因数分解:

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

素因数の和:67

約数の個数: 432

約数和(自身を含む): 94112928

約数和(自身を除く): 73378368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 20, 21, 22, 24, 28, 30, 32, 33, 34, 35, 36, 40, 42, 44, 45, 48, 51, 55, 56, 60, 63, 66, 68, 70, 72, 77, 80, 84, 85, 88, 90, 96, 99, 102, 105, 110, 112, 119, 120, 121, 126, 132, 136, 140, 144, 153, 154, 160, 165, 168, 170, 176, 180, 187, 198, 204, 210, 220, 224, 231, 238, 240, 242, 252, 255, 264, 272, 280, 288, 306, 308, 315, 330, 336, 340, 352, 357, 360, 363, 374, 385, 396, 408, 420, 440, 462, 476, 480, 484, 495, 504, 510, 528, 544, 560, 561, 595, 605, 612, 616, 630, 660, 672, 680, 693, 714, 720, 726, 748, 765, 770, 792, 816, 840, 847, 880, 924, 935, 952, 968, 990, 1008, 1020, 1056, 1071, 1089, 1120, 1122, 1155, 1190, 1210, 1224, 1232, 1260, 1309, 1320, 1360, 1386, 1428, 1440, 1452, 1496, 1530, 1540, 1584, 1632, 1680, 1683, 1694, 1760, 1785, 1815, 1848, 1870, 1904, 1936, 1980, 2016, 2040, 2057, 2142, 2178, 2244, 2310, 2380, 2420, 2448, 2464, 2520, 2541, 2618, 2640, 2720, 2772, 2805, 2856, 2904, 2992, 3060, 3080, 3168, 3360, 3366, 3388, 3465, 3570, 3630, 3696, 3740, 3808, 3872, 3927, 3960, 4080, 4114, 4235, 4284, 4356, 4488, 4620, 4760, 4840, 4896, 5040, 5082, 5236, 5280, 5355, 5445, 5544, 5610, 5712, 5808, 5984, 6120, 6160, 6171, 6545, 6732, 6776, 6930, 7140, 7260, 7392, 7480, 7623, 7854, 7920, 8160, 8228, 8415, 8470, 8568, 8712, 8976, 9240, 9520, 9680, 10080, 10164, 10285, 10472, 10710, 10890, 11088, 11220, 11424, 11616, 11781, 12240, 12320, 12342, 12705, 13090, 13464, 13552, 13860, 14280, 14399, 14520, 14960, 15246, 15708, 15840, 16456, 16830, 16940, 17136, 17424, 17952, 18480, 18513, 19040, 19360, 19635, 20328, 20570, 20944, 21420, 21780, 22176, 22440, 23562, 24480, 24684, 25410, 26180, 26928, 27104, 27720, 28560, 28798, 29040, 29920, 30492, 30855, 31416, 32912, 33660, 33880, 34272, 34848, 36960, 37026, 38115, 39270, 40656, 41140, 41888, 42840, 43197, 43560, 44880, 47124, 49368, 50820, 52360, 53856, 55440, 57120, 57596, 58080, 58905, 60984, 61710, 62832, 65824, 67320, 67760, 71995, 74052, 76230, 78540, 81312, 82280, 85680, 86394, 87120, 89760, 92565, 94248, 98736, 101640, 104720, 110880, 115192, 117810, 121968, 123420, 125664, 129591, 134640, 135520, 143990, 148104, 152460, 157080, 164560, 171360, 172788, 174240, 185130, 188496, 197472, 203280, 209440, 215985, 230384, 235620, 243936, 246840, 259182, 269280, 287980, 296208, 304920, 314160, 329120, 345576, 370260, 376992, 406560, 431970, 460768, 471240, 493680, 518364, 575960, 592416, 609840, 628320, 647955, 691152, 740520, 863940, 942480, 987360, 1036728, 1151920, 1219680, 1295910, 1382304, 1481040, 1727880, 1884960, 2073456, 2303840, 2591820, 2962080, 3455760, 4146912, 5183640, 6911520, 10367280, 20734560]

約数ペア:

[(1, 20734560), (2, 10367280), (3, 6911520), (4, 5183640), (5, 4146912), (6, 3455760), (7, 2962080), (8, 2591820), (9, 2303840), (10, 2073456), (11, 1884960), (12, 1727880), (14, 1481040), (15, 1382304), (16, 1295910), (17, 1219680), (18, 1151920), (20, 1036728), (21, 987360), (22, 942480), (24, 863940), (28, 740520), (30, 691152), (32, 647955), (33, 628320), (34, 609840), (35, 592416), (36, 575960), (40, 518364), (42, 493680), (44, 471240), (45, 460768), (48, 431970), (51, 406560), (55, 376992), (56, 370260), (60, 345576), (63, 329120), (66, 314160), (68, 304920), (70, 296208), (72, 287980), (77, 269280), (80, 259182), (84, 246840), (85, 243936), (88, 235620), (90, 230384), (96, 215985), (99, 209440), (102, 203280), (105, 197472), (110, 188496), (112, 185130), (119, 174240), (120, 172788), (121, 171360), (126, 164560), (132, 157080), (136, 152460), (140, 148104), (144, 143990), (153, 135520), (154, 134640), (160, 129591), (165, 125664), (168, 123420), (170, 121968), (176, 117810), (180, 115192), (187, 110880), (198, 104720), (204, 101640), (210, 98736), (220, 94248), (224, 92565), (231, 89760), (238, 87120), (240, 86394), (242, 85680), (252, 82280), (255, 81312), (264, 78540), (272, 76230), (280, 74052), (288, 71995), (306, 67760), (308, 67320), (315, 65824), (330, 62832), (336, 61710), (340, 60984), (352, 58905), (357, 58080), (360, 57596), (363, 57120), (374, 55440), (385, 53856), (396, 52360), (408, 50820), (420, 49368), (440, 47124), (462, 44880), (476, 43560), (480, 43197), (484, 42840), (495, 41888), (504, 41140), (510, 40656), (528, 39270), (544, 38115), (560, 37026), (561, 36960), (595, 34848), (605, 34272), (612, 33880), (616, 33660), (630, 32912), (660, 31416), (672, 30855), (680, 30492), (693, 29920), (714, 29040), (720, 28798), (726, 28560), (748, 27720), (765, 27104), (770, 26928), (792, 26180), (816, 25410), (840, 24684), (847, 24480), (880, 23562), (924, 22440), (935, 22176), (952, 21780), (968, 21420), (990, 20944), (1008, 20570), (1020, 20328), (1056, 19635), (1071, 19360), (1089, 19040), (1120, 18513), (1122, 18480), (1155, 17952), (1190, 17424), (1210, 17136), (1224, 16940), (1232, 16830), (1260, 16456), (1309, 15840), (1320, 15708), (1360, 15246), (1386, 14960), (1428, 14520), (1440, 14399), (1452, 14280), (1496, 13860), (1530, 13552), (1540, 13464), (1584, 13090), (1632, 12705), (1680, 12342), (1683, 12320), (1694, 12240), (1760, 11781), (1785, 11616), (1815, 11424), (1848, 11220), (1870, 11088), (1904, 10890), (1936, 10710), (1980, 10472), (2016, 10285), (2040, 10164), (2057, 10080), (2142, 9680), (2178, 9520), (2244, 9240), (2310, 8976), (2380, 8712), (2420, 8568), (2448, 8470), (2464, 8415), (2520, 8228), (2541, 8160), (2618, 7920), (2640, 7854), (2720, 7623), (2772, 7480), (2805, 7392), (2856, 7260), (2904, 7140), (2992, 6930), (3060, 6776), (3080, 6732), (3168, 6545), (3360, 6171), (3366, 6160), (3388, 6120), (3465, 5984), (3570, 5808), (3630, 5712), (3696, 5610), (3740, 5544), (3808, 5445), (3872, 5355), (3927, 5280), (3960, 5236), (4080, 5082), (4114, 5040), (4235, 4896), (4284, 4840), (4356, 4760), (4488, 4620)]