20209095

素因数分解:

$3^5\times 5^1\times {\mathrm{16633}}^1$

素因数の和:16653

約数の個数: 24

約数和(自身を含む): 36328656

約数和(自身を除く): 16119561

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 16633, 49899, 83165, 149697, 249495, 449091, 748485, 1347273, 2245455, 4041819, 6736365, 20209095]

約数ペア:

[(1, 20209095), (3, 6736365), (5, 4041819), (9, 2245455), (15, 1347273), (27, 748485), (45, 449091), (81, 249495), (135, 149697), (243, 83165), (405, 49899), (1215, 16633)]