20447791

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6073}}^1$

素因数の和:6130

約数の個数: 16

約数和(自身を含む): 25850944

約数和(自身を除く): 5403153

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 6073, 42511, 78949, 224701, 552643, 1572907, 2921113, 20447791]

約数ペア:

[(1, 20447791), (7, 2921113), (13, 1572907), (37, 552643), (91, 224701), (259, 78949), (481, 42511), (3367, 6073)]