20408071193

素因数分解:

${\mathrm{131}}^1\times {\mathrm{1213}}^1\times {\mathrm{128431}}^1$

素因数の和:129775

約数の個数: 8

約数和(自身を含む): 20580971136

約数和(自身を除く): 172899943

約数列:

[1, 131, 1213, 128431, 158903, 16824461, 155786803, 20408071193]

約数ペア:

[(1, 20408071193), (131, 155786803), (1213, 16824461), (128431, 158903)]