20115740020

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3213377}}^1$

素因数の和:3213699

約数の個数: 24

約数和(自身を含む): 42378029064

約数和(自身を除く): 22262289044

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 3213377, 6426754, 12853508, 16066885, 32133770, 64267540, 1005787001, 2011574002, 4023148004, 5028935005, 10057870010, 20115740020]

約数ペア:

[(1, 20115740020), (2, 10057870010), (4, 5028935005), (5, 4023148004), (10, 2011574002), (20, 1005787001), (313, 64267540), (626, 32133770), (1252, 16066885), (1565, 12853508), (3130, 6426754), (6260, 3213377)]