20809408067

素因数分解:

$7^1\times {\mathrm{239}}^1\times {\mathrm{1699}}^1\times {\mathrm{7321}}^1$

素因数の和:9266

約数の個数: 16

約数和(自身を含む): 23899008000

約数和(自身を除く): 3089599933

約数列:

[1, 7, 239, 1673, 1699, 7321, 11893, 51247, 406061, 1749719, 2842427, 12248033, 12438379, 87068653, 2972772581, 20809408067]

約数ペア:

[(1, 20809408067), (7, 2972772581), (239, 87068653), (1673, 12438379), (1699, 12248033), (7321, 2842427), (11893, 1749719), (51247, 406061)]