20809625217

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{6689047}}^1$

素因数の和:6689128

約数の個数: 16

約数和(自身を含む): 29859910272

約数和(自身を除く): 9050285055

約数列:

[1, 3, 17, 51, 61, 183, 1037, 3111, 6689047, 20067141, 113713799, 341141397, 408031867, 1224095601, 6936541739, 20809625217]

約数ペア:

[(1, 20809625217), (3, 6936541739), (17, 1224095601), (51, 408031867), (61, 341141397), (183, 113713799), (1037, 20067141), (3111, 6689047)]