20920523

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{523}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 24032736

約数和(自身を除く): 3112213

約数列:

[1, 13, 17, 181, 221, 523, 2353, 3077, 6799, 8891, 40001, 94663, 115583, 1230619, 1609271, 20920523]

約数ペア:

[(1, 20920523), (13, 1609271), (17, 1230619), (181, 115583), (221, 94663), (523, 40001), (2353, 8891), (3077, 6799)]