220166192

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{320009}}^1$

素因数の和:320060

約数の個数: 20

約数和(自身を含む): 436493640

約数和(自身を除く): 216327448

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 320009, 640018, 1280036, 2560072, 5120144, 13760387, 27520774, 55041548, 110083096, 220166192]

約数ペア:

[(1, 220166192), (2, 110083096), (4, 55041548), (8, 27520774), (16, 13760387), (43, 5120144), (86, 2560072), (172, 1280036), (344, 640018), (688, 320009)]