20173439937

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30988387}}^1$

素因数の和:30988428

約数の個数: 16

約数和(自身を含む): 31732109312

約数和(自身を除く): 11558669375

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 30988387, 92965161, 216918709, 650756127, 960639997, 2881919991, 6724479979, 20173439937]

約数ペア:

[(1, 20173439937), (3, 6724479979), (7, 2881919991), (21, 960639997), (31, 650756127), (93, 216918709), (217, 92965161), (651, 30988387)]