20422656

素因数分解:

$2^{13}\times 3^2\times {\mathrm{277}}^1$

素因数の和:309

約数の個数: 84

約数和(自身を含む): 59208162

約数和(自身を除く): 38785506

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 277, 288, 384, 512, 554, 576, 768, 831, 1024, 1108, 1152, 1536, 1662, 2048, 2216, 2304, 2493, 3072, 3324, 4096, 4432, 4608, 4986, 6144, 6648, 8192, 8864, 9216, 9972, 12288, 13296, 17728, 18432, 19944, 24576, 26592, 35456, 36864, 39888, 53184, 70912, 73728, 79776, 106368, 141824, 159552, 212736, 283648, 319104, 425472, 567296, 638208, 850944, 1134592, 1276416, 1701888, 2269184, 2552832, 3403776, 5105664, 6807552, 10211328, 20422656]

約数ペア:

[(1, 20422656), (2, 10211328), (3, 6807552), (4, 5105664), (6, 3403776), (8, 2552832), (9, 2269184), (12, 1701888), (16, 1276416), (18, 1134592), (24, 850944), (32, 638208), (36, 567296), (48, 425472), (64, 319104), (72, 283648), (96, 212736), (128, 159552), (144, 141824), (192, 106368), (256, 79776), (277, 73728), (288, 70912), (384, 53184), (512, 39888), (554, 36864), (576, 35456), (768, 26592), (831, 24576), (1024, 19944), (1108, 18432), (1152, 17728), (1536, 13296), (1662, 12288), (2048, 9972), (2216, 9216), (2304, 8864), (2493, 8192), (3072, 6648), (3324, 6144), (4096, 4986), (4432, 4608)]