20374669

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{499}}^1$

素因数の和:832

約数の個数: 16

約数和(自身を含む): 24640000

約数和(自身を除く): 4265331

約数列:

[1, 7, 19, 133, 307, 499, 2149, 3493, 5833, 9481, 40831, 66367, 153193, 1072351, 2910667, 20374669]

約数ペア:

[(1, 20374669), (7, 2910667), (19, 1072351), (133, 153193), (307, 66367), (499, 40831), (2149, 9481), (3493, 5833)]