20345248

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:410

約数の個数: 96

約数和(自身を含む): 52254720

約数和(自身を除く): 31909472

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 32, 44, 46, 56, 77, 88, 92, 112, 154, 161, 176, 184, 224, 253, 308, 322, 352, 359, 368, 506, 616, 644, 718, 736, 1012, 1232, 1288, 1436, 1771, 2024, 2464, 2513, 2576, 2872, 3542, 3949, 4048, 5026, 5152, 5744, 7084, 7898, 8096, 8257, 10052, 11488, 14168, 15796, 16514, 20104, 27643, 28336, 31592, 33028, 40208, 55286, 56672, 57799, 63184, 66056, 80416, 90827, 110572, 115598, 126368, 132112, 181654, 221144, 231196, 264224, 363308, 442288, 462392, 635789, 726616, 884576, 924784, 1271578, 1453232, 1849568, 2543156, 2906464, 5086312, 10172624, 20345248]

約数ペア:

[(1, 20345248), (2, 10172624), (4, 5086312), (7, 2906464), (8, 2543156), (11, 1849568), (14, 1453232), (16, 1271578), (22, 924784), (23, 884576), (28, 726616), (32, 635789), (44, 462392), (46, 442288), (56, 363308), (77, 264224), (88, 231196), (92, 221144), (112, 181654), (154, 132112), (161, 126368), (176, 115598), (184, 110572), (224, 90827), (253, 80416), (308, 66056), (322, 63184), (352, 57799), (359, 56672), (368, 55286), (506, 40208), (616, 33028), (644, 31592), (718, 28336), (736, 27643), (1012, 20104), (1232, 16514), (1288, 15796), (1436, 14168), (1771, 11488), (2024, 10052), (2464, 8257), (2513, 8096), (2576, 7898), (2872, 7084), (3542, 5744), (3949, 5152), (4048, 5026)]