20381277651

素因数分解:

$3^1\times 7^1\times {\mathrm{7477}}^1\times {\mathrm{129803}}^1$

素因数の和:137290

約数の個数: 16

約数和(自身を含む): 31061577984

約数和(自身を除く): 10680300333

約数列:

[1, 3, 7, 21, 7477, 22431, 52339, 129803, 157017, 389409, 908621, 2725863, 970537031, 2911611093, 6793759217, 20381277651]

約数ペア:

[(1, 20381277651), (3, 6793759217), (7, 2911611093), (21, 970537031), (7477, 2725863), (22431, 908621), (52339, 389409), (129803, 157017)]