20991117027

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{368265211}}^1$

素因数の和:368265233

約数の個数: 8

約数和(自身を含む): 29461216960

約数和(自身を除く): 8470099933

約数列:

[1, 3, 19, 57, 368265211, 1104795633, 6997039009, 20991117027]

約数ペア:

[(1, 20991117027), (3, 6997039009), (19, 1104795633), (57, 368265211)]