20267199

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{15971}}^1$

素因数の和:16027

約数の個数: 16

約数和(自身を含む): 30666240

約数和(自身を除く): 10399041

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 15971, 47913, 143739, 431217, 750637, 2251911, 6755733, 20267199]

約数ペア:

[(1, 20267199), (3, 6755733), (9, 2251911), (27, 750637), (47, 431217), (141, 143739), (423, 47913), (1269, 15971)]