20550039

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{5381}}^1$

素因数の和:5470

約数の個数: 16

約数和(自身を含む): 29278080

約数和(自身を除く): 8728041

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 5381, 16143, 102239, 306717, 360527, 1081581, 6850013, 20550039]

約数ペア:

[(1, 20550039), (3, 6850013), (19, 1081581), (57, 360527), (67, 306717), (201, 102239), (1273, 16143), (3819, 5381)]