20191983

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 32102400

約数和(自身を除く): 11910417

約数列:

[1, 3, 7, 21, 43, 59, 129, 177, 301, 379, 413, 903, 1137, 1239, 2537, 2653, 7611, 7959, 16297, 17759, 22361, 48891, 53277, 67083, 114079, 156527, 342237, 469581, 961523, 2884569, 6730661, 20191983]

約数ペア:

[(1, 20191983), (3, 6730661), (7, 2884569), (21, 961523), (43, 469581), (59, 342237), (129, 156527), (177, 114079), (301, 67083), (379, 53277), (413, 48891), (903, 22361), (1137, 17759), (1239, 16297), (2537, 7959), (2653, 7611)]