20838003

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:383

約数の個数: 24

約数和(自身を含む): 29846016

約数和(自身を除く): 9008013

約数列:

[1, 3, 19, 57, 71, 213, 271, 361, 813, 1083, 1349, 4047, 5149, 15447, 19241, 25631, 57723, 76893, 97831, 293493, 365579, 1096737, 6946001, 20838003]

約数ペア:

[(1, 20838003), (3, 6946001), (19, 1096737), (57, 365579), (71, 293493), (213, 97831), (271, 76893), (361, 57723), (813, 25631), (1083, 19241), (1349, 15447), (4047, 5149)]