20872854

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{28283}}^1$

素因数の和:28332

約数の個数: 24

約数和(自身を含む): 46329192

約数和(自身を除く): 25456338

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 28283, 56566, 84849, 169698, 254547, 509094, 1159603, 2319206, 3478809, 6957618, 10436427, 20872854]

約数ペア:

[(1, 20872854), (2, 10436427), (3, 6957618), (6, 3478809), (9, 2319206), (18, 1159603), (41, 509094), (82, 254547), (123, 169698), (246, 84849), (369, 56566), (738, 28283)]