20425365

素因数分解:

$3^5\times 5^1\times {\mathrm{16811}}^1$

素因数の和:16831

約数の個数: 24

約数和(自身を含む): 36717408

約数和(自身を除く): 16292043

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 16811, 50433, 84055, 151299, 252165, 453897, 756495, 1361691, 2269485, 4085073, 6808455, 20425365]

約数ペア:

[(1, 20425365), (3, 6808455), (5, 4085073), (9, 2269485), (15, 1361691), (27, 756495), (45, 453897), (81, 252165), (135, 151299), (243, 84055), (405, 50433), (1215, 16811)]