201920521

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{1129}}^1$

素因数の和:1440

約数の個数: 16

約数和(自身を含む): 224553600

約数和(自身を除く): 22633079

約数列:

[1, 11, 71, 229, 781, 1129, 2519, 12419, 16259, 80159, 178849, 258541, 881749, 2843951, 18356411, 201920521]

約数ペア:

[(1, 201920521), (11, 18356411), (71, 2843951), (229, 881749), (781, 258541), (1129, 178849), (2519, 80159), (12419, 16259)]