20809458

素因数分解:

$2^1\times 3^2\times {\mathrm{127}}^1\times {\mathrm{9103}}^1$

素因数の和:9238

約数の個数: 24

約数和(自身を含む): 45447168

約数和(自身を除く): 24637710

約数列:

[1, 2, 3, 6, 9, 18, 127, 254, 381, 762, 1143, 2286, 9103, 18206, 27309, 54618, 81927, 163854, 1156081, 2312162, 3468243, 6936486, 10404729, 20809458]

約数ペア:

[(1, 20809458), (2, 10404729), (3, 6936486), (6, 3468243), (9, 2312162), (18, 1156081), (127, 163854), (254, 81927), (381, 54618), (762, 27309), (1143, 18206), (2286, 9103)]