20581883

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9103}}^1$

素因数の和:9146

約数の個数: 16

約数和(自身を含む): 26219520

約数和(自身を除く): 5637637

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 9103, 63721, 154751, 172957, 1083257, 1210699, 2940269, 20581883]

約数ペア:

[(1, 20581883), (7, 2940269), (17, 1210699), (19, 1083257), (119, 172957), (133, 154751), (323, 63721), (2261, 9103)]