20107472

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{859}}^1$

素因数の和:904

約数の個数: 80

約数和(自身を含む): 51187200

約数和(自身を除く): 31079728

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 56, 76, 77, 88, 112, 133, 152, 154, 176, 209, 266, 304, 308, 418, 532, 616, 836, 859, 1064, 1232, 1463, 1672, 1718, 2128, 2926, 3344, 3436, 5852, 6013, 6872, 9449, 11704, 12026, 13744, 16321, 18898, 23408, 24052, 32642, 37796, 48104, 65284, 66143, 75592, 96208, 114247, 130568, 132286, 151184, 179531, 228494, 261136, 264572, 359062, 456988, 529144, 718124, 913976, 1058288, 1256717, 1436248, 1827952, 2513434, 2872496, 5026868, 10053736, 20107472]

約数ペア:

[(1, 20107472), (2, 10053736), (4, 5026868), (7, 2872496), (8, 2513434), (11, 1827952), (14, 1436248), (16, 1256717), (19, 1058288), (22, 913976), (28, 718124), (38, 529144), (44, 456988), (56, 359062), (76, 264572), (77, 261136), (88, 228494), (112, 179531), (133, 151184), (152, 132286), (154, 130568), (176, 114247), (209, 96208), (266, 75592), (304, 66143), (308, 65284), (418, 48104), (532, 37796), (616, 32642), (836, 24052), (859, 23408), (1064, 18898), (1232, 16321), (1463, 13744), (1672, 12026), (1718, 11704), (2128, 9449), (2926, 6872), (3344, 6013), (3436, 5852)]