20011460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{142939}}^1$

素因数の和:142955

約数の個数: 24

約数和(自身を含む): 48027840

約数和(自身を除く): 28016380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 142939, 285878, 571756, 714695, 1000573, 1429390, 2001146, 2858780, 4002292, 5002865, 10005730, 20011460]

約数ペア:

[(1, 20011460), (2, 10005730), (4, 5002865), (5, 4002292), (7, 2858780), (10, 2001146), (14, 1429390), (20, 1000573), (28, 714695), (35, 571756), (70, 285878), (140, 142939)]