20778888512

素因数分解:

$2^6\times {\mathrm{324670133}}^1$

素因数の和:324670145

約数の個数: 14

約数和(自身を含む): 41233107018

約数和(自身を除く): 20454218506

約数列:

[1, 2, 4, 8, 16, 32, 64, 324670133, 649340266, 1298680532, 2597361064, 5194722128, 10389444256, 20778888512]

約数ペア:

[(1, 20778888512), (2, 10389444256), (4, 5194722128), (8, 2597361064), (16, 1298680532), (32, 649340266), (64, 324670133)]