20463744

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:378

約数の個数: 128

約数和(自身を含む): 65018880

約数和(自身を除く): 44555136

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 56, 64, 69, 84, 92, 96, 112, 128, 138, 161, 168, 184, 192, 224, 276, 322, 331, 336, 368, 384, 448, 483, 552, 644, 662, 672, 736, 896, 966, 993, 1104, 1288, 1324, 1344, 1472, 1932, 1986, 2208, 2317, 2576, 2648, 2688, 2944, 3864, 3972, 4416, 4634, 5152, 5296, 6951, 7613, 7728, 7944, 8832, 9268, 10304, 10592, 13902, 15226, 15456, 15888, 18536, 20608, 21184, 22839, 27804, 30452, 30912, 31776, 37072, 42368, 45678, 53291, 55608, 60904, 61824, 63552, 74144, 91356, 106582, 111216, 121808, 127104, 148288, 159873, 182712, 213164, 222432, 243616, 296576, 319746, 365424, 426328, 444864, 487232, 639492, 730848, 852656, 889728, 974464, 1278984, 1461696, 1705312, 2557968, 2923392, 3410624, 5115936, 6821248, 10231872, 20463744]

約数ペア:

[(1, 20463744), (2, 10231872), (3, 6821248), (4, 5115936), (6, 3410624), (7, 2923392), (8, 2557968), (12, 1705312), (14, 1461696), (16, 1278984), (21, 974464), (23, 889728), (24, 852656), (28, 730848), (32, 639492), (42, 487232), (46, 444864), (48, 426328), (56, 365424), (64, 319746), (69, 296576), (84, 243616), (92, 222432), (96, 213164), (112, 182712), (128, 159873), (138, 148288), (161, 127104), (168, 121808), (184, 111216), (192, 106582), (224, 91356), (276, 74144), (322, 63552), (331, 61824), (336, 60904), (368, 55608), (384, 53291), (448, 45678), (483, 42368), (552, 37072), (644, 31776), (662, 30912), (672, 30452), (736, 27804), (896, 22839), (966, 21184), (993, 20608), (1104, 18536), (1288, 15888), (1324, 15456), (1344, 15226), (1472, 13902), (1932, 10592), (1986, 10304), (2208, 9268), (2317, 8832), (2576, 7944), (2648, 7728), (2688, 7613), (2944, 6951), (3864, 5296), (3972, 5152), (4416, 4634)]