20520117

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{99131}}^1$

素因数の和:99160

約数の個数: 12

約数和(自身を含む): 30929184

約数和(自身を除く): 10409067

約数列:

[1, 3, 9, 23, 69, 207, 99131, 297393, 892179, 2280013, 6840039, 20520117]

約数ペア:

[(1, 20520117), (3, 6840039), (9, 2280013), (23, 892179), (69, 297393), (207, 99131)]