20379039

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21031}}^1$

素因数の和:21070

約数の個数: 16

約数和(自身を含む): 30286080

約数和(自身を除く): 9907041

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 21031, 63093, 357527, 399589, 1072581, 1198767, 6793013, 20379039]

約数ペア:

[(1, 20379039), (3, 6793013), (17, 1198767), (19, 1072581), (51, 399589), (57, 357527), (323, 63093), (969, 21031)]