20633669

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:500

約数の個数: 16

約数和(自身を含む): 24153600

約数和(自身を除く): 3519931

約数列:

[1, 7, 73, 149, 271, 511, 1043, 1897, 10877, 19783, 40379, 76139, 138481, 282653, 2947667, 20633669]

約数ペア:

[(1, 20633669), (7, 2947667), (73, 282653), (149, 138481), (271, 76139), (511, 40379), (1043, 19783), (1897, 10877)]