20131886385

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{247579}}^1$

素因数の和:247742

約数の個数: 48

約数和(自身を含む): 37850030400

約数和(自身を除く): 17718144015

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 139, 195, 417, 585, 695, 1251, 1807, 2085, 5421, 6255, 9035, 16263, 27105, 81315, 247579, 742737, 1237895, 2228211, 3218527, 3713685, 9655581, 11141055, 16092635, 28966743, 34413481, 48277905, 103240443, 144833715, 172067405, 309721329, 447375253, 516202215, 1342125759, 1548606645, 2236876265, 4026377277, 6710628795, 20131886385]

約数ペア:

[(1, 20131886385), (3, 6710628795), (5, 4026377277), (9, 2236876265), (13, 1548606645), (15, 1342125759), (39, 516202215), (45, 447375253), (65, 309721329), (117, 172067405), (139, 144833715), (195, 103240443), (417, 48277905), (585, 34413481), (695, 28966743), (1251, 16092635), (1807, 11141055), (2085, 9655581), (5421, 3713685), (6255, 3218527), (9035, 2228211), (16263, 1237895), (27105, 742737), (81315, 247579)]