20678912

素因数分解:

$2^8\times {\mathrm{80777}}^1$

素因数の和:80793

約数の個数: 18

約数和(自身を含む): 41277558

約数和(自身を除く): 20598646

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 80777, 161554, 323108, 646216, 1292432, 2584864, 5169728, 10339456, 20678912]

約数ペア:

[(1, 20678912), (2, 10339456), (4, 5169728), (8, 2584864), (16, 1292432), (32, 646216), (64, 323108), (128, 161554), (256, 80777)]