20029185

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{941}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 38795328

約数和(自身を除く): 18766143

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 99, 129, 165, 215, 387, 473, 495, 645, 941, 1419, 1935, 2365, 2823, 4257, 4705, 7095, 8469, 10351, 14115, 21285, 31053, 40463, 42345, 51755, 93159, 121389, 155265, 202315, 364167, 445093, 465795, 606945, 1335279, 1820835, 2225465, 4005837, 6676395, 20029185]

約数ペア:

[(1, 20029185), (3, 6676395), (5, 4005837), (9, 2225465), (11, 1820835), (15, 1335279), (33, 606945), (43, 465795), (45, 445093), (55, 364167), (99, 202315), (129, 155265), (165, 121389), (215, 93159), (387, 51755), (473, 42345), (495, 40463), (645, 31053), (941, 21285), (1419, 14115), (1935, 10351), (2365, 8469), (2823, 7095), (4257, 4705)]