20177767551

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{997}}^1\times {\mathrm{396833}}^1$

素因数の和:397850

約数の個数: 16

約数和(自身を含む): 28514903904

約数和(自身を除く): 8337136353

約数列:

[1, 3, 17, 51, 997, 2991, 16949, 50847, 396833, 1190499, 6746161, 20238483, 395642501, 1186927503, 6725922517, 20177767551]

約数ペア:

[(1, 20177767551), (3, 6725922517), (17, 1186927503), (51, 395642501), (997, 20238483), (2991, 6746161), (16949, 1190499), (50847, 396833)]