20634459

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1\times {\mathrm{409}}^1$

素因数の和:730

約数の個数: 16

約数和(自身を含む): 28103040

約数和(自身を除く): 7468581

約数列:

[1, 3, 67, 201, 251, 409, 753, 1227, 16817, 27403, 50451, 82209, 102659, 307977, 6878153, 20634459]

約数ペア:

[(1, 20634459), (3, 6878153), (67, 307977), (201, 102659), (251, 82209), (409, 50451), (753, 27403), (1227, 16817)]