20746137

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2591}}^1$

素因数の和:2768

約数の個数: 16

約数和(自身を含む): 29486592

約数和(自身を除く): 8740455

約数列:

[1, 3, 17, 51, 157, 471, 2591, 2669, 7773, 8007, 44047, 132141, 406787, 1220361, 6915379, 20746137]

約数ペア:

[(1, 20746137), (3, 6915379), (17, 1220361), (51, 406787), (157, 132141), (471, 44047), (2591, 8007), (2669, 7773)]