218892020

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{23741}}^1$

素因数の和:24211

約数の個数: 24

約数和(自身を含む): 460689768

約数和(自身を除く): 241797748

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4610, 9220, 23741, 47482, 94964, 118705, 237410, 474820, 10944601, 21889202, 43778404, 54723005, 109446010, 218892020]

約数ペア:

[(1, 218892020), (2, 109446010), (4, 54723005), (5, 43778404), (10, 21889202), (20, 10944601), (461, 474820), (922, 237410), (1844, 118705), (2305, 94964), (4610, 47482), (9220, 23741)]