20668271

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{751}}^1$

素因数の和:866

約数の個数: 16

約数和(自身を含む): 23372160

約数和(自身を除く): 2703889

約数列:

[1, 13, 29, 73, 377, 751, 949, 2117, 9763, 21779, 27521, 54823, 283127, 712699, 1589867, 20668271]

約数ペア:

[(1, 20668271), (13, 1589867), (29, 712699), (73, 283127), (377, 54823), (751, 27521), (949, 21779), (2117, 9763)]