16473220

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4139}}^1$

素因数の和:4347

約数の個数: 24

約数和(自身を含む): 34776000

約数和(自身を除く): 18302780

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 4139, 8278, 16556, 20695, 41390, 82780, 823661, 1647322, 3294644, 4118305, 8236610, 16473220]

約数ペア:

[(1, 16473220), (2, 8236610), (4, 4118305), (5, 3294644), (10, 1647322), (20, 823661), (199, 82780), (398, 41390), (796, 20695), (995, 16556), (1990, 8278), (3980, 4139)]