20939393

素因数分解:

${\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:496

約数の個数: 16

約数和(自身を含む): 23016960

約数和(自身を除く): 2077567

約数列:

[1, 17, 47, 73, 359, 799, 1241, 3431, 6103, 16873, 26207, 58327, 286841, 445519, 1231729, 20939393]

約数ペア:

[(1, 20939393), (17, 1231729), (47, 445519), (73, 286841), (359, 58327), (799, 26207), (1241, 16873), (3431, 6103)]