20404347

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{8731}}^1$

素因数の和:8794

約数の個数: 16

約数和(自身を含む): 29339520

約数和(自身を除く): 8935173

約数列:

[1, 3, 19, 41, 57, 123, 779, 2337, 8731, 26193, 165889, 357971, 497667, 1073913, 6801449, 20404347]

約数ペア:

[(1, 20404347), (3, 6801449), (19, 1073913), (41, 497667), (57, 357971), (123, 165889), (779, 26193), (2337, 8731)]