20175232

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 128

約数和(自身を含む): 52876800

約数和(自身を除く): 32701568

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 32, 44, 46, 56, 64, 77, 88, 89, 92, 112, 128, 154, 161, 176, 178, 184, 224, 253, 308, 322, 352, 356, 368, 448, 506, 616, 623, 644, 704, 712, 736, 896, 979, 1012, 1232, 1246, 1288, 1408, 1424, 1472, 1771, 1958, 2024, 2047, 2464, 2492, 2576, 2848, 2944, 3542, 3916, 4048, 4094, 4928, 4984, 5152, 5696, 6853, 7084, 7832, 8096, 8188, 9856, 9968, 10304, 11392, 13706, 14168, 14329, 15664, 16192, 16376, 19936, 20608, 22517, 27412, 28336, 28658, 31328, 32384, 32752, 39872, 45034, 54824, 56672, 57316, 62656, 65504, 79744, 90068, 109648, 113344, 114632, 125312, 131008, 157619, 180136, 219296, 226688, 229264, 262016, 315238, 360272, 438592, 458528, 630476, 720544, 877184, 917056, 1260952, 1441088, 1834112, 2521904, 2882176, 5043808, 10087616, 20175232]

約数ペア:

[(1, 20175232), (2, 10087616), (4, 5043808), (7, 2882176), (8, 2521904), (11, 1834112), (14, 1441088), (16, 1260952), (22, 917056), (23, 877184), (28, 720544), (32, 630476), (44, 458528), (46, 438592), (56, 360272), (64, 315238), (77, 262016), (88, 229264), (89, 226688), (92, 219296), (112, 180136), (128, 157619), (154, 131008), (161, 125312), (176, 114632), (178, 113344), (184, 109648), (224, 90068), (253, 79744), (308, 65504), (322, 62656), (352, 57316), (356, 56672), (368, 54824), (448, 45034), (506, 39872), (616, 32752), (623, 32384), (644, 31328), (704, 28658), (712, 28336), (736, 27412), (896, 22517), (979, 20608), (1012, 19936), (1232, 16376), (1246, 16192), (1288, 15664), (1408, 14329), (1424, 14168), (1472, 13706), (1771, 11392), (1958, 10304), (2024, 9968), (2047, 9856), (2464, 8188), (2492, 8096), (2576, 7832), (2848, 7084), (2944, 6853), (3542, 5696), (3916, 5152), (4048, 4984), (4094, 4928)]