20725702081

素因数分解:

$7^1\times {\mathrm{881}}^1\times {\mathrm{1493}}^1\times {\mathrm{2251}}^1$

素因数の和:4632

約数の個数: 16

約数和(自身を含む): 23739827328

約数和(自身を除く): 3014125247

約数列:

[1, 7, 881, 1493, 2251, 6167, 10451, 15757, 1315333, 1983131, 3360743, 9207331, 13881917, 23525201, 2960814583, 20725702081]

約数ペア:

[(1, 20725702081), (7, 2960814583), (881, 23525201), (1493, 13881917), (2251, 9207331), (6167, 3360743), (10451, 1983131), (15757, 1315333)]