16979260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{49939}}^1$

素因数の和:49965

約数の個数: 24

約数和(自身を含む): 37754640

約数和(自身を除く): 20775380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 49939, 99878, 199756, 249695, 499390, 848963, 998780, 1697926, 3395852, 4244815, 8489630, 16979260]

約数ペア:

[(1, 16979260), (2, 8489630), (4, 4244815), (5, 3395852), (10, 1697926), (17, 998780), (20, 848963), (34, 499390), (68, 249695), (85, 199756), (170, 99878), (340, 49939)]