20874321

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59471}}^1$

素因数の和:59493

約数の個数: 16

約数和(自身を含む): 33304320

約数和(自身を除く): 12429999

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 59471, 178413, 535239, 773123, 1605717, 2319369, 6958107, 20874321]

約数ペア:

[(1, 20874321), (3, 6958107), (9, 2319369), (13, 1605717), (27, 773123), (39, 535239), (117, 178413), (351, 59471)]