20201407816

素因数分解:

$2^3\times {\mathrm{509}}^1\times {\mathrm{4961053}}^1$

素因数の和:4961568

約数の個数: 16

約数和(自身を含む): 37952063100

約数和(自身を除く): 17750655284

約数列:

[1, 2, 4, 8, 509, 1018, 2036, 4072, 4961053, 9922106, 19844212, 39688424, 2525175977, 5050351954, 10100703908, 20201407816]

約数ペア:

[(1, 20201407816), (2, 10100703908), (4, 5050351954), (8, 2525175977), (509, 39688424), (1018, 19844212), (2036, 9922106), (4072, 4961053)]