20043513

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4481}}^1$

素因数の和:4565

約数の個数: 24

約数和(自身を含む): 33561216

約数和(自身を除く): 13517703

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 4481, 13443, 31367, 40329, 94101, 282303, 318151, 954453, 2227057, 2863359, 6681171, 20043513]

約数ペア:

[(1, 20043513), (3, 6681171), (7, 2863359), (9, 2227057), (21, 954453), (63, 318151), (71, 282303), (213, 94101), (497, 40329), (639, 31367), (1491, 13443), (4473, 4481)]