20447141

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 25614144

約数和(自身を除く): 5167003

約数列:

[1, 11, 13, 17, 143, 169, 187, 221, 647, 1859, 2431, 2873, 7117, 8411, 10999, 31603, 92521, 109343, 120989, 142987, 1202773, 1572857, 1858831, 20447141]

約数ペア:

[(1, 20447141), (11, 1858831), (13, 1572857), (17, 1202773), (143, 142987), (169, 120989), (187, 109343), (221, 92521), (647, 31603), (1859, 10999), (2431, 8411), (2873, 7117)]