20771051

素因数分解:

$7^4\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 20

約数和(自身を含む): 24940104

約数和(自身を除く): 4169053

約数列:

[1, 7, 41, 49, 211, 287, 343, 1477, 2009, 2401, 8651, 10339, 14063, 60557, 72373, 98441, 423899, 506611, 2967293, 20771051]

約数ペア:

[(1, 20771051), (7, 2967293), (41, 506611), (49, 423899), (211, 98441), (287, 72373), (343, 60557), (1477, 14063), (2009, 10339), (2401, 8651)]