20525613

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{3169}}^1$

素因数の和:3316

約数の個数: 16

約数和(自身を含む): 29214720

約数和(自身を除く): 8689107

約数列:

[1, 3, 17, 51, 127, 381, 2159, 3169, 6477, 9507, 53873, 161619, 402463, 1207389, 6841871, 20525613]

約数ペア:

[(1, 20525613), (3, 6841871), (17, 1207389), (51, 402463), (127, 161619), (381, 53873), (2159, 9507), (3169, 6477)]