20382987

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{571}}^1$

素因数の和:810

約数の個数: 16

約数和(自身を含む): 27767168

約数和(自身を除く): 7384181

約数列:

[1, 3, 73, 163, 219, 489, 571, 1713, 11899, 35697, 41683, 93073, 125049, 279219, 6794329, 20382987]

約数ペア:

[(1, 20382987), (3, 6794329), (73, 279219), (163, 125049), (219, 93073), (489, 41683), (571, 35697), (1713, 11899)]