20817129

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{5749}}^1$

素因数の和:5840

約数の個数: 16

約数和(自身を含む): 29808000

約数和(自身を除く): 8990871

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 5749, 17247, 97733, 293199, 408179, 1224537, 6939043, 20817129]

約数ペア:

[(1, 20817129), (3, 6939043), (17, 1224537), (51, 408179), (71, 293199), (213, 97733), (1207, 17247), (3621, 5749)]