20201287

素因数分解:

${\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:342

約数の個数: 16

約数和(自身を含む): 22014720

約数和(自身を除く): 1813433

約数列:

[1, 17, 83, 103, 139, 1411, 1751, 2363, 8549, 11537, 14317, 145333, 196129, 243389, 1188311, 20201287]

約数ペア:

[(1, 20201287), (17, 1188311), (83, 243389), (103, 196129), (139, 145333), (1411, 14317), (1751, 11537), (2363, 8549)]