20490560

素因数分解:

$2^6\times 5^1\times {\mathrm{64033}}^1$

素因数の和:64050

約数の個数: 28

約数和(自身を含む): 48793908

約数和(自身を除く): 28303348

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 64033, 128066, 256132, 320165, 512264, 640330, 1024528, 1280660, 2049056, 2561320, 4098112, 5122640, 10245280, 20490560]

約数ペア:

[(1, 20490560), (2, 10245280), (4, 5122640), (5, 4098112), (8, 2561320), (10, 2049056), (16, 1280660), (20, 1024528), (32, 640330), (40, 512264), (64, 320165), (80, 256132), (160, 128066), (320, 64033)]