20802078

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{9551}}^1$

素因数の和:9581

約数の個数: 36

約数和(自身を含む): 49546224

約数和(自身を除く): 28744146

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178, 9551, 19102, 28653, 57306, 85959, 105061, 171918, 210122, 315183, 630366, 945549, 1155671, 1891098, 2311342, 3467013, 6934026, 10401039, 20802078]

約数ペア:

[(1, 20802078), (2, 10401039), (3, 6934026), (6, 3467013), (9, 2311342), (11, 1891098), (18, 1155671), (22, 945549), (33, 630366), (66, 315183), (99, 210122), (121, 171918), (198, 105061), (242, 85959), (363, 57306), (726, 28653), (1089, 19102), (2178, 9551)]