20629485

素因数分解:

$3^5\times 5^1\times {\mathrm{16979}}^1$

素因数の和:16999

約数の個数: 24

約数和(自身を含む): 37084320

約数和(自身を除く): 16454835

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 16979, 50937, 84895, 152811, 254685, 458433, 764055, 1375299, 2292165, 4125897, 6876495, 20629485]

約数ペア:

[(1, 20629485), (3, 6876495), (5, 4125897), (9, 2292165), (15, 1375299), (27, 764055), (45, 458433), (81, 254685), (135, 152811), (243, 84895), (405, 50937), (1215, 16979)]