20737191

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{1109}}^1$

素因数の和:1406

約数の個数: 16

約数和(自身を含む): 28984320

約数和(自身を除く): 8247129

約数列:

[1, 3, 23, 69, 271, 813, 1109, 3327, 6233, 18699, 25507, 76521, 300539, 901617, 6912397, 20737191]

約数ペア:

[(1, 20737191), (3, 6912397), (23, 901617), (69, 300539), (271, 76521), (813, 25507), (1109, 18699), (3327, 6233)]