20576864

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1193}}^1$

素因数の和:1228

約数の個数: 72

約数和(自身を含む): 51451848

約数和(自身を除く): 30874984

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 224, 308, 352, 392, 539, 616, 784, 1078, 1193, 1232, 1568, 2156, 2386, 2464, 4312, 4772, 8351, 8624, 9544, 13123, 16702, 17248, 19088, 26246, 33404, 38176, 52492, 58457, 66808, 91861, 104984, 116914, 133616, 183722, 209968, 233828, 267232, 367444, 419936, 467656, 643027, 734888, 935312, 1286054, 1469776, 1870624, 2572108, 2939552, 5144216, 10288432, 20576864]

約数ペア:

[(1, 20576864), (2, 10288432), (4, 5144216), (7, 2939552), (8, 2572108), (11, 1870624), (14, 1469776), (16, 1286054), (22, 935312), (28, 734888), (32, 643027), (44, 467656), (49, 419936), (56, 367444), (77, 267232), (88, 233828), (98, 209968), (112, 183722), (154, 133616), (176, 116914), (196, 104984), (224, 91861), (308, 66808), (352, 58457), (392, 52492), (539, 38176), (616, 33404), (784, 26246), (1078, 19088), (1193, 17248), (1232, 16702), (1568, 13123), (2156, 9544), (2386, 8624), (2464, 8351), (4312, 4772)]