20197780708

素因数分解:

$2^2\times 7^1\times {\mathrm{721349311}}^1$

素因数の和:721349322

約数の個数: 12

約数和(自身を含む): 40395561472

約数和(自身を除く): 20197780764

約数列:

[1, 2, 4, 7, 14, 28, 721349311, 1442698622, 2885397244, 5049445177, 10098890354, 20197780708]

約数ペア:

[(1, 20197780708), (2, 10098890354), (4, 5049445177), (7, 2885397244), (14, 1442698622), (28, 721349311)]