20573883

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2927}}^1$

素因数の和:3015

約数の個数: 24

約数和(自身を含む): 32887296

約数和(自身を除く): 12313413

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 2927, 7029, 8781, 26343, 32197, 96591, 207817, 289773, 623451, 1870353, 2285987, 6857961, 20573883]

約数ペア:

[(1, 20573883), (3, 6857961), (9, 2285987), (11, 1870353), (33, 623451), (71, 289773), (99, 207817), (213, 96591), (639, 32197), (781, 26343), (2343, 8781), (2927, 7029)]