16707220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19427}}^1$

素因数の和:19479

約数の個数: 24

約数和(自身を含む): 35902944

約数和(自身を除く): 19195724

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 19427, 38854, 77708, 97135, 194270, 388540, 835361, 1670722, 3341444, 4176805, 8353610, 16707220]

約数ペア:

[(1, 16707220), (2, 8353610), (4, 4176805), (5, 3341444), (10, 1670722), (20, 835361), (43, 388540), (86, 194270), (172, 97135), (215, 77708), (430, 38854), (860, 19427)]