20217611

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:626

約数の個数: 16

約数和(自身を含む): 22133760

約数和(自身を除く): 1916149

約数列:

[1, 29, 31, 43, 523, 899, 1247, 1333, 15167, 16213, 22489, 38657, 470177, 652181, 697159, 20217611]

約数ペア:

[(1, 20217611), (29, 697159), (31, 652181), (43, 470177), (523, 38657), (899, 22489), (1247, 16213), (1333, 15167)]