19820793

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{8269}}^1$

素因数の和:8336

約数の個数: 16

約数和(自身を含む): 28581120

約数和(自身を除く): 8760327

約数列:

[1, 3, 17, 47, 51, 141, 799, 2397, 8269, 24807, 140573, 388643, 421719, 1165929, 6606931, 19820793]

約数ペア:

[(1, 19820793), (3, 6606931), (17, 1165929), (47, 421719), (51, 388643), (141, 140573), (799, 24807), (2397, 8269)]