20925047

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 26078976

約数和(自身を除く): 5153929

約数列:

[1, 11, 13, 41, 43, 83, 143, 451, 473, 533, 559, 913, 1079, 1763, 3403, 3569, 5863, 6149, 11869, 19393, 22919, 37433, 39259, 44239, 46397, 146329, 252109, 486629, 510367, 1609619, 1902277, 20925047]

約数ペア:

[(1, 20925047), (11, 1902277), (13, 1609619), (41, 510367), (43, 486629), (83, 252109), (143, 146329), (451, 46397), (473, 44239), (533, 39259), (559, 37433), (913, 22919), (1079, 19393), (1763, 11869), (3403, 6149), (3569, 5863)]