20422912

素因数分解:

$2^8\times {\mathrm{79777}}^1$

素因数の和:79793

約数の個数: 18

約数和(自身を含む): 40766558

約数和(自身を除く): 20343646

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 79777, 159554, 319108, 638216, 1276432, 2552864, 5105728, 10211456, 20422912]

約数ペア:

[(1, 20422912), (2, 10211456), (4, 5105728), (8, 2552864), (16, 1276432), (32, 638216), (64, 319108), (128, 159554), (256, 79777)]