20509846

素因数分解:

$2^1\times 7^1\times {\mathrm{1109}}^1\times {\mathrm{1321}}^1$

素因数の和:2439

約数の個数: 16

約数和(自身を含む): 35218080

約数和(自身を除く): 14708234

約数列:

[1, 2, 7, 14, 1109, 1321, 2218, 2642, 7763, 9247, 15526, 18494, 1464989, 2929978, 10254923, 20509846]

約数ペア:

[(1, 20509846), (2, 10254923), (7, 2929978), (14, 1464989), (1109, 18494), (1321, 15526), (2218, 9247), (2642, 7763)]