20882640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87011}}^1$

素因数の和:87027

約数の個数: 40

約数和(自身を含む): 64736928

約数和(自身を除く): 43854288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87011, 174022, 261033, 348044, 435055, 522066, 696088, 870110, 1044132, 1305165, 1392176, 1740220, 2088264, 2610330, 3480440, 4176528, 5220660, 6960880, 10441320, 20882640]

約数ペア:

[(1, 20882640), (2, 10441320), (3, 6960880), (4, 5220660), (5, 4176528), (6, 3480440), (8, 2610330), (10, 2088264), (12, 1740220), (15, 1392176), (16, 1305165), (20, 1044132), (24, 870110), (30, 696088), (40, 522066), (48, 435055), (60, 348044), (80, 261033), (120, 174022), (240, 87011)]