20027115

素因数分解:

$3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1361}}^1$

素因数の和:1484

約数の個数: 32

約数和(自身を含む): 35956800

約数和(自身を除く): 15929685

約数列:

[1, 3, 5, 9, 15, 27, 45, 109, 135, 327, 545, 981, 1361, 1635, 2943, 4083, 4905, 6805, 12249, 14715, 20415, 36747, 61245, 148349, 183735, 445047, 741745, 1335141, 2225235, 4005423, 6675705, 20027115]

約数ペア:

[(1, 20027115), (3, 6675705), (5, 4005423), (9, 2225235), (15, 1335141), (27, 741745), (45, 445047), (109, 183735), (135, 148349), (327, 61245), (545, 36747), (981, 20415), (1361, 14715), (1635, 12249), (2943, 6805), (4083, 4905)]