20905272

素因数分解:

$2^3\times 3^2\times {\mathrm{290351}}^1$

素因数の和:290363

約数の個数: 24

約数和(自身を含む): 56618640

約数和(自身を除く): 35713368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 290351, 580702, 871053, 1161404, 1742106, 2322808, 2613159, 3484212, 5226318, 6968424, 10452636, 20905272]

約数ペア:

[(1, 20905272), (2, 10452636), (3, 6968424), (4, 5226318), (6, 3484212), (8, 2613159), (9, 2322808), (12, 1742106), (18, 1161404), (24, 871053), (36, 580702), (72, 290351)]