20437277

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1777}}^1$

素因数の和:1868

約数の個数: 16

約数和(自身を含む): 24579072

約数和(自身を除く): 4141795

約数列:

[1, 7, 31, 53, 217, 371, 1643, 1777, 11501, 12439, 55087, 94181, 385609, 659267, 2919611, 20437277]

約数ペア:

[(1, 20437277), (7, 2919611), (31, 659267), (53, 385609), (217, 94181), (371, 55087), (1643, 12439), (1777, 11501)]