16708940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19429}}^1$

素因数の和:19481

約数の個数: 24

約数和(自身を含む): 35906640

約数和(自身を除く): 19197700

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 19429, 38858, 77716, 97145, 194290, 388580, 835447, 1670894, 3341788, 4177235, 8354470, 16708940]

約数ペア:

[(1, 16708940), (2, 8354470), (4, 4177235), (5, 3341788), (10, 1670894), (20, 835447), (43, 388580), (86, 194290), (172, 97145), (215, 77716), (430, 38858), (860, 19429)]