20021573

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7369}}^1$

素因数の和:7412

約数の個数: 16

約数和(自身を含む): 24763200

約数和(自身を除く): 4741627

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 7369, 81059, 95797, 140011, 1053767, 1540121, 1820143, 20021573]

約数ペア:

[(1, 20021573), (11, 1820143), (13, 1540121), (19, 1053767), (143, 140011), (209, 95797), (247, 81059), (2717, 7369)]