20144320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2$

素因数の和:87

約数の個数: 168

約数和(自身を含む): 60679584

約数和(自身を除く): 40535264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 23, 28, 32, 34, 35, 40, 46, 56, 64, 68, 70, 80, 85, 92, 112, 115, 119, 136, 140, 160, 161, 170, 184, 224, 230, 238, 272, 280, 320, 322, 340, 368, 391, 448, 460, 476, 529, 544, 560, 595, 644, 680, 736, 782, 805, 920, 952, 1058, 1088, 1120, 1190, 1288, 1360, 1472, 1564, 1610, 1840, 1904, 1955, 2116, 2240, 2380, 2576, 2645, 2720, 2737, 3128, 3220, 3680, 3703, 3808, 3910, 4232, 4760, 5152, 5290, 5440, 5474, 6256, 6440, 7360, 7406, 7616, 7820, 8464, 8993, 9520, 10304, 10580, 10948, 12512, 12880, 13685, 14812, 15640, 16928, 17986, 18515, 19040, 21160, 21896, 25024, 25760, 27370, 29624, 31280, 33856, 35972, 37030, 38080, 42320, 43792, 44965, 51520, 54740, 59248, 62560, 62951, 71944, 74060, 84640, 87584, 89930, 109480, 118496, 125120, 125902, 143888, 148120, 169280, 175168, 179860, 218960, 236992, 251804, 287776, 296240, 314755, 359720, 437920, 503608, 575552, 592480, 629510, 719440, 875840, 1007216, 1184960, 1259020, 1438880, 2014432, 2518040, 2877760, 4028864, 5036080, 10072160, 20144320]

約数ペア:

[(1, 20144320), (2, 10072160), (4, 5036080), (5, 4028864), (7, 2877760), (8, 2518040), (10, 2014432), (14, 1438880), (16, 1259020), (17, 1184960), (20, 1007216), (23, 875840), (28, 719440), (32, 629510), (34, 592480), (35, 575552), (40, 503608), (46, 437920), (56, 359720), (64, 314755), (68, 296240), (70, 287776), (80, 251804), (85, 236992), (92, 218960), (112, 179860), (115, 175168), (119, 169280), (136, 148120), (140, 143888), (160, 125902), (161, 125120), (170, 118496), (184, 109480), (224, 89930), (230, 87584), (238, 84640), (272, 74060), (280, 71944), (320, 62951), (322, 62560), (340, 59248), (368, 54740), (391, 51520), (448, 44965), (460, 43792), (476, 42320), (529, 38080), (544, 37030), (560, 35972), (595, 33856), (644, 31280), (680, 29624), (736, 27370), (782, 25760), (805, 25024), (920, 21896), (952, 21160), (1058, 19040), (1088, 18515), (1120, 17986), (1190, 16928), (1288, 15640), (1360, 14812), (1472, 13685), (1564, 12880), (1610, 12512), (1840, 10948), (1904, 10580), (1955, 10304), (2116, 9520), (2240, 8993), (2380, 8464), (2576, 7820), (2645, 7616), (2720, 7406), (2737, 7360), (3128, 6440), (3220, 6256), (3680, 5474), (3703, 5440), (3808, 5290), (3910, 5152), (4232, 4760)]