20194292079

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2430997}}^1$

素因数の和:2431087

約数の個数: 24

約数和(自身を含む): 31855797792

約数和(自身を除く): 11661505713

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 8307, 2430997, 7292991, 21878973, 31602961, 94808883, 172600787, 284426649, 517802361, 1553407083, 2243810231, 6731430693, 20194292079]

約数ペア:

[(1, 20194292079), (3, 6731430693), (9, 2243810231), (13, 1553407083), (39, 517802361), (71, 284426649), (117, 172600787), (213, 94808883), (639, 31602961), (923, 21878973), (2769, 7292991), (8307, 2430997)]