20165280620

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2296729}}^1$

素因数の和:2297177

約数の個数: 24

約数和(自身を含む): 42443570400

約数和(自身を除く): 22278289780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 2296729, 4593458, 9186916, 11483645, 22967290, 45934580, 1008264031, 2016528062, 4033056124, 5041320155, 10082640310, 20165280620]

約数ペア:

[(1, 20165280620), (2, 10082640310), (4, 5041320155), (5, 4033056124), (10, 2016528062), (20, 1008264031), (439, 45934580), (878, 22967290), (1756, 11483645), (2195, 9186916), (4390, 4593458), (8780, 2296729)]