20309163

素因数分解:

$3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{3853}}^1$

素因数の和:4114

約数の個数: 16

約数和(自身を含む): 31078656

約数和(自身を除く): 10769493

約数列:

[1, 3, 7, 21, 251, 753, 1757, 3853, 5271, 11559, 26971, 80913, 967103, 2901309, 6769721, 20309163]

約数ペア:

[(1, 20309163), (3, 6769721), (7, 2901309), (21, 967103), (251, 80913), (753, 26971), (1757, 11559), (3853, 5271)]