20512125243

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{3517}}^1\times {\mathrm{12227}}^1$

素因数の和:15803

約数の個数: 24

約数和(自身を含む): 30198709008

約数和(自身を除く): 9686583765

約数列:

[1, 3, 9, 53, 159, 477, 3517, 10551, 12227, 31653, 36681, 110043, 186401, 559203, 648031, 1677609, 1944093, 5832279, 43002359, 129007077, 387021231, 2279125027, 6837375081, 20512125243]

約数ペア:

[(1, 20512125243), (3, 6837375081), (9, 2279125027), (53, 387021231), (159, 129007077), (477, 43002359), (3517, 5832279), (10551, 1944093), (12227, 1677609), (31653, 648031), (36681, 559203), (110043, 186401)]