20795187

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{23029}}^1$

素因数の和:23082

約数の個数: 16

約数和(自身を含む): 32426240

約数和(自身を除く): 11631053

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 23029, 69087, 161203, 483609, 990247, 2970741, 6931729, 20795187]

約数ペア:

[(1, 20795187), (3, 6931729), (7, 2970741), (21, 990247), (43, 483609), (129, 161203), (301, 69087), (903, 23029)]