20526023

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{983}}^1$

素因数の和:1166

約数の個数: 16

約数和(自身を含む): 24875520

約数和(自身を除く): 4349497

約数列:

[1, 7, 19, 133, 157, 983, 1099, 2983, 6881, 18677, 20881, 130739, 154331, 1080317, 2932289, 20526023]

約数ペア:

[(1, 20526023), (7, 2932289), (19, 1080317), (133, 154331), (157, 130739), (983, 20881), (1099, 18677), (2983, 6881)]