20515086

素因数分解:

$2^1\times 3^3\times {\mathrm{379909}}^1$

素因数の和:379920

約数の個数: 16

約数和(自身を含む): 45589200

約数和(自身を除く): 25074114

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 379909, 759818, 1139727, 2279454, 3419181, 6838362, 10257543, 20515086]

約数ペア:

[(1, 20515086), (2, 10257543), (3, 6838362), (6, 3419181), (9, 2279454), (18, 1139727), (27, 759818), (54, 379909)]