20864019

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{2333}}^1$

素因数の和:2618

約数の個数: 16

約数和(自身を含む): 30472704

約数和(自身を除く): 9608685

約数列:

[1, 3, 11, 33, 271, 813, 2333, 2981, 6999, 8943, 25663, 76989, 632243, 1896729, 6954673, 20864019]

約数ペア:

[(1, 20864019), (3, 6954673), (11, 1896729), (33, 632243), (271, 76989), (813, 25663), (2333, 8943), (2981, 6999)]