20207291

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1070

約数の個数: 16

約数和(自身を含む): 22893024

約数和(自身を除く): 2685733

約数列:

[1, 13, 37, 43, 481, 559, 977, 1591, 12701, 20683, 36149, 42011, 469937, 546143, 1554407, 20207291]

約数ペア:

[(1, 20207291), (13, 1554407), (37, 546143), (43, 469937), (481, 42011), (559, 36149), (977, 20683), (1591, 12701)]