20013858

素因数分解:

$2^1\times 3^3\times {\mathrm{457}}^1\times {\mathrm{811}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 44627520

約数和(自身を除く): 24613662

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 457, 811, 914, 1371, 1622, 2433, 2742, 4113, 4866, 7299, 8226, 12339, 14598, 21897, 24678, 43794, 370627, 741254, 1111881, 2223762, 3335643, 6671286, 10006929, 20013858]

約数ペア:

[(1, 20013858), (2, 10006929), (3, 6671286), (6, 3335643), (9, 2223762), (18, 1111881), (27, 741254), (54, 370627), (457, 43794), (811, 24678), (914, 21897), (1371, 14598), (1622, 12339), (2433, 8226), (2742, 7299), (4113, 4866)]