20444281

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 24868872

約数和(自身を除く): 4424591

約数列:

[1, 11, 13, 41, 121, 143, 317, 451, 533, 1573, 3487, 4121, 4961, 5863, 12997, 38357, 45331, 64493, 142967, 168961, 498641, 1572637, 1858571, 20444281]

約数ペア:

[(1, 20444281), (11, 1858571), (13, 1572637), (41, 498641), (121, 168961), (143, 142967), (317, 64493), (451, 45331), (533, 38357), (1573, 12997), (3487, 5863), (4121, 4961)]