20905812

素因数分解:

$2^2\times 3^2\times {\mathrm{580717}}^1$

素因数の和:580727

約数の個数: 18

約数和(自身を含む): 52845338

約数和(自身を除く): 31939526

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 580717, 1161434, 1742151, 2322868, 3484302, 5226453, 6968604, 10452906, 20905812]

約数ペア:

[(1, 20905812), (2, 10452906), (3, 6968604), (4, 5226453), (6, 3484302), (9, 2322868), (12, 1742151), (18, 1161434), (36, 580717)]