20550429

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{6857}}^1$

素因数の和:6906

約数の個数: 20

約数和(自身を含む): 31533084

約数和(自身を除く): 10982655

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 6857, 20571, 61713, 185139, 253709, 555417, 761127, 2283381, 6850143, 20550429]

約数ペア:

[(1, 20550429), (3, 6850143), (9, 2283381), (27, 761127), (37, 555417), (81, 253709), (111, 185139), (333, 61713), (999, 20571), (2997, 6857)]