20123781363

素因数分解:

$3^2\times 7^1\times {\mathrm{919}}^1\times {\mathrm{347579}}^1$

素因数の和:348511

約数の個数: 24

約数和(自身を含む): 33256454400

約数和(自身を除く): 13132673037

約数列:

[1, 3, 7, 9, 21, 63, 919, 2757, 6433, 8271, 19299, 57897, 347579, 1042737, 2433053, 3128211, 7299159, 21897477, 319425101, 958275303, 2235975707, 2874825909, 6707927121, 20123781363]

約数ペア:

[(1, 20123781363), (3, 6707927121), (7, 2874825909), (9, 2235975707), (21, 958275303), (63, 319425101), (919, 21897477), (2757, 7299159), (6433, 3128211), (8271, 2433053), (19299, 1042737), (57897, 347579)]