20009115

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{63521}}^1$

素因数の和:63539

約数の個数: 24

約数和(自身を含む): 39637728

約数和(自身を除く): 19628613

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 63521, 190563, 317605, 444647, 571689, 952815, 1333941, 2223235, 2858445, 4001823, 6669705, 20009115]

約数ペア:

[(1, 20009115), (3, 6669705), (5, 4001823), (7, 2858445), (9, 2223235), (15, 1333941), (21, 952815), (35, 571689), (45, 444647), (63, 317605), (105, 190563), (315, 63521)]