20804513508

素因数分解:

$2^2\times 3^2\times {\mathrm{251}}^1\times {\mathrm{2302403}}^1$

素因数の和:2302664

約数の個数: 36

約数和(自身を含む): 52798728528

約数和(自身を除く): 31994215020

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 251, 502, 753, 1004, 1506, 2259, 3012, 4518, 9036, 2302403, 4604806, 6907209, 9209612, 13814418, 20721627, 27628836, 41443254, 82886508, 577903153, 1155806306, 1733709459, 2311612612, 3467418918, 5201128377, 6934837836, 10402256754, 20804513508]

約数ペア:

[(1, 20804513508), (2, 10402256754), (3, 6934837836), (4, 5201128377), (6, 3467418918), (9, 2311612612), (12, 1733709459), (18, 1155806306), (36, 577903153), (251, 82886508), (502, 41443254), (753, 27628836), (1004, 20721627), (1506, 13814418), (2259, 9209612), (3012, 6907209), (4518, 4604806), (9036, 2302403)]