20158476488

素因数分解:

$2^3\times {\mathrm{8669}}^1\times {\mathrm{290669}}^1$

素因数の和:299344

約数の個数: 16

約数和(自身を含む): 37801633500

約数和(自身を除く): 17643157012

約数列:

[1, 2, 4, 8, 8669, 17338, 34676, 69352, 290669, 581338, 1162676, 2325352, 2519809561, 5039619122, 10079238244, 20158476488]

約数ペア:

[(1, 20158476488), (2, 10079238244), (4, 5039619122), (8, 2519809561), (8669, 2325352), (17338, 1162676), (34676, 581338), (69352, 290669)]