20171648

素因数分解:

$2^7\times 7^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:547

約数の個数: 64

約数和(自身を含む): 47001600

約数和(自身を除く): 26829952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 94, 112, 128, 188, 224, 329, 376, 448, 479, 658, 752, 896, 958, 1316, 1504, 1916, 2632, 3008, 3353, 3832, 5264, 6016, 6706, 7664, 10528, 13412, 15328, 21056, 22513, 26824, 30656, 42112, 45026, 53648, 61312, 90052, 107296, 157591, 180104, 214592, 315182, 360208, 429184, 630364, 720416, 1260728, 1440832, 2521456, 2881664, 5042912, 10085824, 20171648]

約数ペア:

[(1, 20171648), (2, 10085824), (4, 5042912), (7, 2881664), (8, 2521456), (14, 1440832), (16, 1260728), (28, 720416), (32, 630364), (47, 429184), (56, 360208), (64, 315182), (94, 214592), (112, 180104), (128, 157591), (188, 107296), (224, 90052), (329, 61312), (376, 53648), (448, 45026), (479, 42112), (658, 30656), (752, 26824), (896, 22513), (958, 21056), (1316, 15328), (1504, 13412), (1916, 10528), (2632, 7664), (3008, 6706), (3353, 6016), (3832, 5264)]