20803994

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{613}}^1$

素因数の和:925

約数の個数: 16

約数和(自身を含む): 31829760

約数和(自身を除く): 11025766

約数列:

[1, 2, 71, 142, 239, 478, 613, 1226, 16969, 33938, 43523, 87046, 146507, 293014, 10401997, 20803994]

約数ペア:

[(1, 20803994), (2, 10401997), (71, 293014), (142, 146507), (239, 87046), (478, 43523), (613, 33938), (1226, 16969)]