20515702653

素因数分解:

$3^3\times {\mathrm{659}}^1\times {\mathrm{1153021}}^1$

素因数の和:1153689

約数の個数: 16

約数和(自身を含む): 30439780800

約数和(自身を除く): 9924078147

約数列:

[1, 3, 9, 27, 659, 1977, 5931, 17793, 1153021, 3459063, 10377189, 31131567, 759840839, 2279522517, 6838567551, 20515702653]

約数ペア:

[(1, 20515702653), (3, 6838567551), (9, 2279522517), (27, 759840839), (659, 31131567), (1977, 10377189), (5931, 3459063), (17793, 1153021)]