20554912

素因数分解:

$2^5\times 7^2\times {\mathrm{13109}}^1$

素因数の和:13133

約数の個数: 36

約数和(自身を含む): 47078010

約数和(自身を除く): 26523098

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13109, 26218, 52436, 91763, 104872, 183526, 209744, 367052, 419488, 642341, 734104, 1284682, 1468208, 2569364, 2936416, 5138728, 10277456, 20554912]

約数ペア:

[(1, 20554912), (2, 10277456), (4, 5138728), (7, 2936416), (8, 2569364), (14, 1468208), (16, 1284682), (28, 734104), (32, 642341), (49, 419488), (56, 367052), (98, 209744), (112, 183526), (196, 104872), (224, 91763), (392, 52436), (784, 26218), (1568, 13109)]