19720299

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:590

約数の個数: 16

約数和(自身を含む): 26733600

約数和(自身を除く): 7013301

約数列:

[1, 3, 149, 157, 281, 447, 471, 843, 23393, 41869, 44117, 70179, 125607, 132351, 6573433, 19720299]

約数ペア:

[(1, 19720299), (3, 6573433), (149, 132351), (157, 125607), (281, 70179), (447, 44117), (471, 41869), (843, 23393)]