20755049

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1381}}^1$

素因数の和:1520

約数の個数: 16

約数和(自身を含む): 25207680

約数和(自身を除く): 4452631

約数列:

[1, 7, 19, 113, 133, 791, 1381, 2147, 9667, 15029, 26239, 156053, 183673, 1092371, 2965007, 20755049]

約数ペア:

[(1, 20755049), (7, 2965007), (19, 1092371), (113, 183673), (133, 156053), (791, 26239), (1381, 15029), (2147, 9667)]