20552389

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1423}}^1$

素因数の和:1548

約数の個数: 16

約数和(自身を含む): 24401664

約数和(自身を除く): 3849275

約数列:

[1, 11, 13, 101, 143, 1111, 1313, 1423, 14443, 15653, 18499, 143723, 203489, 1580953, 1868399, 20552389]

約数ペア:

[(1, 20552389), (11, 1868399), (13, 1580953), (101, 203489), (143, 143723), (1111, 18499), (1313, 15653), (1423, 14443)]