20566905

素因数分解:

$3^1\times 5^1\times {\mathrm{769}}^1\times {\mathrm{1783}}^1$

素因数の和:2560

約数の個数: 16

約数和(自身を含む): 32968320

約数和(自身を除く): 12401415

約数列:

[1, 3, 5, 15, 769, 1783, 2307, 3845, 5349, 8915, 11535, 26745, 1371127, 4113381, 6855635, 20566905]

約数ペア:

[(1, 20566905), (3, 6855635), (5, 4113381), (15, 1371127), (769, 26745), (1783, 11535), (2307, 8915), (3845, 5349)]