20684257

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2087}}^1$

素因数の和:2168

約数の個数: 16

約数和(自身を含む): 24354432

約数和(自身を除く): 3670175

約数列:

[1, 11, 17, 53, 187, 583, 901, 2087, 9911, 22957, 35479, 110611, 390269, 1216721, 1880387, 20684257]

約数ペア:

[(1, 20684257), (11, 1880387), (17, 1216721), (53, 390269), (187, 110611), (583, 35479), (901, 22957), (2087, 9911)]