20718202

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{823}}^1$

素因数の和:1173

約数の個数: 16

約数和(自身を含む): 31977792

約数和(自身を除く): 11259590

約数列:

[1, 2, 41, 82, 307, 614, 823, 1646, 12587, 25174, 33743, 67486, 252661, 505322, 10359101, 20718202]

約数ペア:

[(1, 20718202), (2, 10359101), (41, 505322), (82, 252661), (307, 67486), (614, 33743), (823, 25174), (1646, 12587)]