20186582103

素因数分解:

$3^4\times {\mathrm{1559}}^1\times {\mathrm{159857}}^1$

素因数の和:161428

約数の個数: 20

約数和(自身を含む): 30174796080

約数和(自身を除く): 9988213977

約数列:

[1, 3, 9, 27, 81, 1559, 4677, 14031, 42093, 126279, 159857, 479571, 1438713, 4316139, 12948417, 249217063, 747651189, 2242953567, 6728860701, 20186582103]

約数ペア:

[(1, 20186582103), (3, 6728860701), (9, 2242953567), (27, 747651189), (81, 249217063), (1559, 12948417), (4677, 4316139), (14031, 1438713), (42093, 479571), (126279, 159857)]