20486732

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8221}}^1$

素因数の和:8321

約数の個数: 24

約数和(自身を含む): 41438880

約数和(自身を除く): 20952148

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 8221, 16442, 32884, 57547, 115094, 230188, 731669, 1463338, 2926676, 5121683, 10243366, 20486732]

約数ペア:

[(1, 20486732), (2, 10243366), (4, 5121683), (7, 2926676), (14, 1463338), (28, 731669), (89, 230188), (178, 115094), (356, 57547), (623, 32884), (1246, 16442), (2492, 8221)]