20699136

素因数分解:

$2^{11}\times 3^2\times {\mathrm{1123}}^1$

素因数の和:1151

約数の個数: 72

約数和(自身を含む): 59836140

約数和(自身を除く): 39137004

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1024, 1123, 1152, 1536, 2048, 2246, 2304, 3072, 3369, 4492, 4608, 6144, 6738, 8984, 9216, 10107, 13476, 17968, 18432, 20214, 26952, 35936, 40428, 53904, 71872, 80856, 107808, 143744, 161712, 215616, 287488, 323424, 431232, 574976, 646848, 862464, 1149952, 1293696, 1724928, 2299904, 2587392, 3449856, 5174784, 6899712, 10349568, 20699136]

約数ペア:

[(1, 20699136), (2, 10349568), (3, 6899712), (4, 5174784), (6, 3449856), (8, 2587392), (9, 2299904), (12, 1724928), (16, 1293696), (18, 1149952), (24, 862464), (32, 646848), (36, 574976), (48, 431232), (64, 323424), (72, 287488), (96, 215616), (128, 161712), (144, 143744), (192, 107808), (256, 80856), (288, 71872), (384, 53904), (512, 40428), (576, 35936), (768, 26952), (1024, 20214), (1123, 18432), (1152, 17968), (1536, 13476), (2048, 10107), (2246, 9216), (2304, 8984), (3072, 6738), (3369, 6144), (4492, 4608)]