20528040507

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{9931321}}^1$

素因数の和:9931390

約数の個数: 16

約数和(自身を含む): 30032317728

約数和(自身を除く): 9504277221

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 9931321, 29793963, 129107173, 387321519, 526360013, 1579080039, 6842680169, 20528040507]

約数ペア:

[(1, 20528040507), (3, 6842680169), (13, 1579080039), (39, 526360013), (53, 387321519), (159, 129107173), (689, 29793963), (2067, 9931321)]