20583745

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2381}}^1$

素因数の和:2425

約数の個数: 32

約数和(自身を含む): 32014080

約数和(自身を除く): 11430335

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 2381, 8645, 11905, 16667, 30953, 45239, 83335, 154765, 216671, 226195, 316673, 588107, 1083355, 1583365, 2940535, 4116749, 20583745]

約数ペア:

[(1, 20583745), (5, 4116749), (7, 2940535), (13, 1583365), (19, 1083355), (35, 588107), (65, 316673), (91, 226195), (95, 216671), (133, 154765), (247, 83335), (455, 45239), (665, 30953), (1235, 16667), (1729, 11905), (2381, 8645)]