20950503

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{23201}}^1$

素因数の和:23254

約数の個数: 16

約数和(自身を含む): 32668416

約数和(自身を除く): 11717913

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 23201, 69603, 162407, 487221, 997643, 2992929, 6983501, 20950503]

約数ペア:

[(1, 20950503), (3, 6983501), (7, 2992929), (21, 997643), (43, 487221), (129, 162407), (301, 69603), (903, 23201)]