20834851828

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{12198391}}^1$

素因数の和:12198463

約数の個数: 24

約数和(自身を含む): 42352817024

約数和(自身を除く): 21517965196

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 12198391, 24396782, 48793564, 85388737, 170777474, 341554948, 744101851, 1488203702, 2976407404, 5208712957, 10417425914, 20834851828]

約数ペア:

[(1, 20834851828), (2, 10417425914), (4, 5208712957), (7, 2976407404), (14, 1488203702), (28, 744101851), (61, 341554948), (122, 170777474), (244, 85388737), (427, 48793564), (854, 24396782), (1708, 12198391)]