20307657

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:584

約数の個数: 16

約数和(自身を含む): 27518400

約数和(自身を除く): 7210743

約数列:

[1, 3, 149, 181, 251, 447, 543, 753, 26969, 37399, 45431, 80907, 112197, 136293, 6769219, 20307657]

約数ペア:

[(1, 20307657), (3, 6769219), (149, 136293), (181, 112197), (251, 80907), (447, 45431), (543, 37399), (753, 26969)]