20408068791

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{206142109}}^1$

素因数の和:206142126

約数の個数: 12

約数和(自身を含む): 32158169160

約数和(自身を除く): 11750100369

約数列:

[1, 3, 9, 11, 33, 99, 206142109, 618426327, 1855278981, 2267563199, 6802689597, 20408068791]

約数ペア:

[(1, 20408068791), (3, 6802689597), (9, 2267563199), (11, 1855278981), (33, 618426327), (99, 206142109)]