20784410

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{3929}}^1$

素因数の和:3982

約数の個数: 24

約数和(自身を含む): 39119220

約数和(自身を除く): 18334810

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 529, 1058, 2645, 3929, 5290, 7858, 19645, 39290, 90367, 180734, 451835, 903670, 2078441, 4156882, 10392205, 20784410]

約数ペア:

[(1, 20784410), (2, 10392205), (5, 4156882), (10, 2078441), (23, 903670), (46, 451835), (115, 180734), (230, 90367), (529, 39290), (1058, 19645), (2645, 7858), (3929, 5290)]