20512398

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{72739}}^1$

素因数の和:72791

約数の個数: 16

約数和(自身を含む): 41898240

約数和(自身を除く): 21385842

約数列:

[1, 2, 3, 6, 47, 94, 141, 282, 72739, 145478, 218217, 436434, 3418733, 6837466, 10256199, 20512398]

約数ペア:

[(1, 20512398), (2, 10256199), (3, 6837466), (6, 3418733), (47, 436434), (94, 218217), (141, 145478), (282, 72739)]