20897131

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2087}}^1$

素因数の和:2154

約数の個数: 16

約数和(自身を含む): 24053760

約数和(自身を除く): 3156629

約数列:

[1, 17, 19, 31, 323, 527, 589, 2087, 10013, 35479, 39653, 64697, 674101, 1099849, 1229243, 20897131]

約数ペア:

[(1, 20897131), (17, 1229243), (19, 1099849), (31, 674101), (323, 64697), (527, 39653), (589, 35479), (2087, 10013)]