20003485

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1091}}^1$

素因数の和:1308

約数の個数: 16

約数和(自身を含む): 25421760

約数和(自身を除く): 5418275

約数列:

[1, 5, 19, 95, 193, 965, 1091, 3667, 5455, 18335, 20729, 103645, 210563, 1052815, 4000697, 20003485]

約数ペア:

[(1, 20003485), (5, 4000697), (19, 1052815), (95, 210563), (193, 103645), (965, 20729), (1091, 18335), (3667, 5455)]