20571881

素因数分解:

${\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:452

約数の個数: 16

約数和(自身を含む): 23083008

約数和(自身を除く): 2511127

約数列:

[1, 11, 67, 103, 271, 737, 1133, 2981, 6901, 18157, 27913, 75911, 199727, 307043, 1870171, 20571881]

約数ペア:

[(1, 20571881), (11, 1870171), (67, 307043), (103, 199727), (271, 75911), (737, 27913), (1133, 18157), (2981, 6901)]