20519296

素因数分解:

$2^7\times 7^1\times {\mathrm{22901}}^1$

素因数の和:22922

約数の個数: 32

約数和(自身を含む): 46720080

約数和(自身を除く): 26200784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 22901, 45802, 91604, 160307, 183208, 320614, 366416, 641228, 732832, 1282456, 1465664, 2564912, 2931328, 5129824, 10259648, 20519296]

約数ペア:

[(1, 20519296), (2, 10259648), (4, 5129824), (7, 2931328), (8, 2564912), (14, 1465664), (16, 1282456), (28, 732832), (32, 641228), (56, 366416), (64, 320614), (112, 183208), (128, 160307), (224, 91604), (448, 45802), (896, 22901)]