20084560

素因数分解:

$2^4\times 5^1\times {\mathrm{251057}}^1$

素因数の和:251070

約数の個数: 20

約数和(自身を含む): 46696788

約数和(自身を除く): 26612228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251057, 502114, 1004228, 1255285, 2008456, 2510570, 4016912, 5021140, 10042280, 20084560]

約数ペア:

[(1, 20084560), (2, 10042280), (4, 5021140), (5, 4016912), (8, 2510570), (10, 2008456), (16, 1255285), (20, 1004228), (40, 502114), (80, 251057)]