20191835

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1709}}^1$

素因数の和:1870

約数の個数: 16

約数和(自身を含む): 25855200

約数和(自身を除く): 5663365

約数列:

[1, 5, 17, 85, 139, 695, 1709, 2363, 8545, 11815, 29053, 145265, 237551, 1187755, 4038367, 20191835]

約数ペア:

[(1, 20191835), (5, 4038367), (17, 1187755), (85, 237551), (139, 145265), (695, 29053), (1709, 11815), (2363, 8545)]