68854220

素因数分解:

$2^2\times 5^1\times {\mathrm{1811}}^1\times {\mathrm{1901}}^1$

素因数の和:3721

約数の個数: 24

約数和(自身を含む): 144749808

約数和(自身を除く): 75895588

約数列:

[1, 2, 4, 5, 10, 20, 1811, 1901, 3622, 3802, 7244, 7604, 9055, 9505, 18110, 19010, 36220, 38020, 3442711, 6885422, 13770844, 17213555, 34427110, 68854220]

約数ペア:

[(1, 68854220), (2, 34427110), (4, 17213555), (5, 13770844), (10, 6885422), (20, 3442711), (1811, 38020), (1901, 36220), (3622, 19010), (3802, 18110), (7244, 9505), (7604, 9055)]