20834527

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{857}}^1$

素因数の和:1038

約数の個数: 16

約数和(自身を含む): 25039872

約数和(自身を除く): 4205345

約数列:

[1, 7, 23, 151, 161, 857, 1057, 3473, 5999, 19711, 24311, 129407, 137977, 905849, 2976361, 20834527]

約数ペア:

[(1, 20834527), (7, 2976361), (23, 905849), (151, 137977), (161, 129407), (857, 24311), (1057, 19711), (3473, 5999)]