20512421211

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1\times {\mathrm{366169}}^1$

素因数の和:366506

約数の個数: 16

約数和(自身を含む): 27840637440

約数和(自身を除く): 7328216229

約数列:

[1, 3, 71, 213, 263, 789, 18673, 56019, 366169, 1098507, 25997999, 77993997, 96302447, 288907341, 6837473737, 20512421211]

約数ペア:

[(1, 20512421211), (3, 6837473737), (71, 288907341), (213, 96302447), (263, 77993997), (789, 25997999), (18673, 1098507), (56019, 366169)]