20842305

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126317}}^1$

素因数の和:126336

約数の個数: 16

約数和(自身を含む): 36379584

約数和(自身を除く): 15537279

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 126317, 378951, 631585, 1389487, 1894755, 4168461, 6947435, 20842305]

約数ペア:

[(1, 20842305), (3, 6947435), (5, 4168461), (11, 1894755), (15, 1389487), (33, 631585), (55, 378951), (165, 126317)]