20477517

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{751}}^1$

素因数の和:964

約数の個数: 16

約数和(自身を含む): 27974400

約数和(自身を除く): 7496883

約数列:

[1, 3, 61, 149, 183, 447, 751, 2253, 9089, 27267, 45811, 111899, 137433, 335697, 6825839, 20477517]

約数ペア:

[(1, 20477517), (3, 6825839), (61, 335697), (149, 137433), (183, 111899), (447, 45811), (751, 27267), (2253, 9089)]