20736768

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 62268416

約数和(自身を除く): 41531648

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 67, 78, 93, 96, 104, 124, 128, 134, 156, 186, 192, 201, 208, 248, 256, 268, 312, 372, 384, 402, 403, 416, 496, 536, 624, 744, 768, 804, 806, 832, 871, 992, 1072, 1209, 1248, 1488, 1608, 1612, 1664, 1742, 1984, 2077, 2144, 2418, 2496, 2613, 2976, 3216, 3224, 3328, 3484, 3968, 4154, 4288, 4836, 4992, 5226, 5952, 6231, 6432, 6448, 6968, 7936, 8308, 8576, 9672, 9984, 10452, 11904, 12462, 12864, 12896, 13936, 16616, 17152, 19344, 20904, 23808, 24924, 25728, 25792, 27001, 27872, 33232, 38688, 41808, 49848, 51456, 51584, 54002, 55744, 66464, 77376, 81003, 83616, 99696, 103168, 108004, 111488, 132928, 154752, 162006, 167232, 199392, 216008, 222976, 265856, 309504, 324012, 334464, 398784, 432016, 531712, 648024, 668928, 797568, 864032, 1296048, 1595136, 1728064, 2592096, 3456128, 5184192, 6912256, 10368384, 20736768]

約数ペア:

[(1, 20736768), (2, 10368384), (3, 6912256), (4, 5184192), (6, 3456128), (8, 2592096), (12, 1728064), (13, 1595136), (16, 1296048), (24, 864032), (26, 797568), (31, 668928), (32, 648024), (39, 531712), (48, 432016), (52, 398784), (62, 334464), (64, 324012), (67, 309504), (78, 265856), (93, 222976), (96, 216008), (104, 199392), (124, 167232), (128, 162006), (134, 154752), (156, 132928), (186, 111488), (192, 108004), (201, 103168), (208, 99696), (248, 83616), (256, 81003), (268, 77376), (312, 66464), (372, 55744), (384, 54002), (402, 51584), (403, 51456), (416, 49848), (496, 41808), (536, 38688), (624, 33232), (744, 27872), (768, 27001), (804, 25792), (806, 25728), (832, 24924), (871, 23808), (992, 20904), (1072, 19344), (1209, 17152), (1248, 16616), (1488, 13936), (1608, 12896), (1612, 12864), (1664, 12462), (1742, 11904), (1984, 10452), (2077, 9984), (2144, 9672), (2418, 8576), (2496, 8308), (2613, 7936), (2976, 6968), (3216, 6448), (3224, 6432), (3328, 6231), (3484, 5952), (3968, 5226), (4154, 4992), (4288, 4836)]