20325280

素因数分解:

$2^5\times 5^1\times {\mathrm{127033}}^1$

素因数の和:127048

約数の個数: 24

約数和(自身を含む): 48018852

約数和(自身を除く): 27693572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 127033, 254066, 508132, 635165, 1016264, 1270330, 2032528, 2540660, 4065056, 5081320, 10162640, 20325280]

約数ペア:

[(1, 20325280), (2, 10162640), (4, 5081320), (5, 4065056), (8, 2540660), (10, 2032528), (16, 1270330), (20, 1016264), (32, 635165), (40, 508132), (80, 254066), (160, 127033)]