20575008

素因数分解:

$2^5\times 3^2\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:574

約数の個数: 72

約数和(自身を含む): 58968000

約数和(自身を除く): 38392992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 199, 288, 359, 398, 597, 718, 796, 1077, 1194, 1436, 1592, 1791, 2154, 2388, 2872, 3184, 3231, 3582, 4308, 4776, 5744, 6368, 6462, 7164, 8616, 9552, 11488, 12924, 14328, 17232, 19104, 25848, 28656, 34464, 51696, 57312, 71441, 103392, 142882, 214323, 285764, 428646, 571528, 642969, 857292, 1143056, 1285938, 1714584, 2286112, 2571876, 3429168, 5143752, 6858336, 10287504, 20575008]

約数ペア:

[(1, 20575008), (2, 10287504), (3, 6858336), (4, 5143752), (6, 3429168), (8, 2571876), (9, 2286112), (12, 1714584), (16, 1285938), (18, 1143056), (24, 857292), (32, 642969), (36, 571528), (48, 428646), (72, 285764), (96, 214323), (144, 142882), (199, 103392), (288, 71441), (359, 57312), (398, 51696), (597, 34464), (718, 28656), (796, 25848), (1077, 19104), (1194, 17232), (1436, 14328), (1592, 12924), (1791, 11488), (2154, 9552), (2388, 8616), (2872, 7164), (3184, 6462), (3231, 6368), (3582, 5744), (4308, 4776)]