20486763

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{22993}}^1$

素因数の和:23016

約数の個数: 20

約数和(自身を含む): 33387288

約数和(自身を除く): 12900525

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 22993, 68979, 206937, 252923, 620811, 758769, 1862433, 2276307, 6828921, 20486763]

約数ペア:

[(1, 20486763), (3, 6828921), (9, 2276307), (11, 1862433), (27, 758769), (33, 620811), (81, 252923), (99, 206937), (297, 68979), (891, 22993)]