20996899

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{9403}}^1$

素因数の和:9450

約数の個数: 16

約数和(自身を含む): 27083520

約数和(自身を除く): 6086621

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 9403, 65821, 103433, 272687, 724031, 1908809, 2999557, 20996899]

約数ペア:

[(1, 20996899), (7, 2999557), (11, 1908809), (29, 724031), (77, 272687), (203, 103433), (319, 65821), (2233, 9403)]