20560023

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2141}}^1$

素因数の和:2255

約数の個数: 24

約数和(自身を含む): 32746896

約数和(自身を除く): 12186873

約数列:

[1, 3, 9, 11, 33, 97, 99, 291, 873, 1067, 2141, 3201, 6423, 9603, 19269, 23551, 70653, 207677, 211959, 623031, 1869093, 2284447, 6853341, 20560023]

約数ペア:

[(1, 20560023), (3, 6853341), (9, 2284447), (11, 1869093), (33, 623031), (97, 211959), (99, 207677), (291, 70653), (873, 23551), (1067, 19269), (2141, 9603), (3201, 6423)]