20371008

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:704

約数の個数: 112

約数和(自身を含む): 64373760

約数和(自身を除く): 44002752

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, 138, 161, 168, 184, 192, 224, 276, 322, 336, 368, 448, 483, 552, 644, 659, 672, 736, 966, 1104, 1288, 1318, 1344, 1472, 1932, 1977, 2208, 2576, 2636, 3864, 3954, 4416, 4613, 5152, 5272, 7728, 7908, 9226, 10304, 10544, 13839, 15157, 15456, 15816, 18452, 21088, 27678, 30314, 30912, 31632, 36904, 42176, 45471, 55356, 60628, 63264, 73808, 90942, 106099, 110712, 121256, 126528, 147616, 181884, 212198, 221424, 242512, 295232, 318297, 363768, 424396, 442848, 485024, 636594, 727536, 848792, 885696, 970048, 1273188, 1455072, 1697584, 2546376, 2910144, 3395168, 5092752, 6790336, 10185504, 20371008]

約数ペア:

[(1, 20371008), (2, 10185504), (3, 6790336), (4, 5092752), (6, 3395168), (7, 2910144), (8, 2546376), (12, 1697584), (14, 1455072), (16, 1273188), (21, 970048), (23, 885696), (24, 848792), (28, 727536), (32, 636594), (42, 485024), (46, 442848), (48, 424396), (56, 363768), (64, 318297), (69, 295232), (84, 242512), (92, 221424), (96, 212198), (112, 181884), (138, 147616), (161, 126528), (168, 121256), (184, 110712), (192, 106099), (224, 90942), (276, 73808), (322, 63264), (336, 60628), (368, 55356), (448, 45471), (483, 42176), (552, 36904), (644, 31632), (659, 30912), (672, 30314), (736, 27678), (966, 21088), (1104, 18452), (1288, 15816), (1318, 15456), (1344, 15157), (1472, 13839), (1932, 10544), (1977, 10304), (2208, 9226), (2576, 7908), (2636, 7728), (3864, 5272), (3954, 5152), (4416, 4613)]