20172732321

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56506253}}^1$

素因数の和:56506280

約数の個数: 16

約数和(自身を含む): 32547602304

約数和(自身を除く): 12374869983

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56506253, 169518759, 395543771, 960606301, 1186631313, 2881818903, 6724244107, 20172732321]

約数ペア:

[(1, 20172732321), (3, 6724244107), (7, 2881818903), (17, 1186631313), (21, 960606301), (51, 395543771), (119, 169518759), (357, 56506253)]