20819766

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{315451}}^1$

素因数の和:315467

約数の個数: 16

約数和(自身を含む): 45425088

約数和(自身を除く): 24605322

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 315451, 630902, 946353, 1892706, 3469961, 6939922, 10409883, 20819766]

約数ペア:

[(1, 20819766), (2, 10409883), (3, 6939922), (6, 3469961), (11, 1892706), (22, 946353), (33, 630902), (66, 315451)]