20689344

素因数分解:

$2^6\times 3^4\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:344

約数の個数: 140

約数和(自身を含む): 66262504

約数和(自身を除く): 45573160

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 192, 208, 216, 234, 288, 307, 312, 324, 351, 416, 432, 468, 576, 614, 624, 648, 702, 832, 864, 921, 936, 1053, 1228, 1248, 1296, 1404, 1728, 1842, 1872, 2106, 2456, 2496, 2592, 2763, 2808, 3684, 3744, 3991, 4212, 4912, 5184, 5526, 5616, 7368, 7488, 7982, 8289, 8424, 9824, 11052, 11232, 11973, 14736, 15964, 16578, 16848, 19648, 22104, 22464, 23946, 24867, 29472, 31928, 33156, 33696, 35919, 44208, 47892, 49734, 58944, 63856, 66312, 67392, 71838, 88416, 95784, 99468, 107757, 127712, 132624, 143676, 176832, 191568, 198936, 215514, 255424, 265248, 287352, 323271, 383136, 397872, 431028, 530496, 574704, 646542, 766272, 795744, 862056, 1149408, 1293084, 1591488, 1724112, 2298816, 2586168, 3448224, 5172336, 6896448, 10344672, 20689344]

約数ペア:

[(1, 20689344), (2, 10344672), (3, 6896448), (4, 5172336), (6, 3448224), (8, 2586168), (9, 2298816), (12, 1724112), (13, 1591488), (16, 1293084), (18, 1149408), (24, 862056), (26, 795744), (27, 766272), (32, 646542), (36, 574704), (39, 530496), (48, 431028), (52, 397872), (54, 383136), (64, 323271), (72, 287352), (78, 265248), (81, 255424), (96, 215514), (104, 198936), (108, 191568), (117, 176832), (144, 143676), (156, 132624), (162, 127712), (192, 107757), (208, 99468), (216, 95784), (234, 88416), (288, 71838), (307, 67392), (312, 66312), (324, 63856), (351, 58944), (416, 49734), (432, 47892), (468, 44208), (576, 35919), (614, 33696), (624, 33156), (648, 31928), (702, 29472), (832, 24867), (864, 23946), (921, 22464), (936, 22104), (1053, 19648), (1228, 16848), (1248, 16578), (1296, 15964), (1404, 14736), (1728, 11973), (1842, 11232), (1872, 11052), (2106, 9824), (2456, 8424), (2496, 8289), (2592, 7982), (2763, 7488), (2808, 7368), (3684, 5616), (3744, 5526), (3991, 5184), (4212, 4912)]