20064560

素因数分解:

$2^4\times 5^1\times {\mathrm{250807}}^1$

素因数の和:250820

約数の個数: 20

約数和(自身を含む): 46650288

約数和(自身を除く): 26585728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 250807, 501614, 1003228, 1254035, 2006456, 2508070, 4012912, 5016140, 10032280, 20064560]

約数ペア:

[(1, 20064560), (2, 10032280), (4, 5016140), (5, 4012912), (8, 2508070), (10, 2006456), (16, 1254035), (20, 1003228), (40, 501614), (80, 250807)]