20455902

素因数分解:

$2^1\times 3^4\times {\mathrm{126271}}^1$

素因数の和:126285

約数の個数: 20

約数和(自身を含む): 45836736

約数和(自身を除く): 25380834

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 126271, 252542, 378813, 757626, 1136439, 2272878, 3409317, 6818634, 10227951, 20455902]

約数ペア:

[(1, 20455902), (2, 10227951), (3, 6818634), (6, 3409317), (9, 2272878), (18, 1136439), (27, 757626), (54, 378813), (81, 252542), (162, 126271)]