20508717279

素因数分解:

$3^1\times {\mathrm{281}}^1\times {\mathrm{1231}}^1\times {\mathrm{19763}}^1$

素因数の和:21278

約数の個数: 16

約数和(自身を含む): 27465951744

約数和(自身を除く): 6957234465

約数列:

[1, 3, 281, 843, 1231, 3693, 19763, 59289, 345911, 1037733, 5553403, 16660209, 24328253, 72984759, 6836239093, 20508717279]

約数ペア:

[(1, 20508717279), (3, 6836239093), (281, 72984759), (843, 24328253), (1231, 16660209), (3693, 5553403), (19763, 1037733), (59289, 345911)]