20795436

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{19919}}^1$

素因数の和:19958

約数の個数: 36

約数和(自身を含む): 54381600

約数和(自身を除く): 33586164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 19919, 39838, 59757, 79676, 119514, 179271, 239028, 358542, 577651, 717084, 1155302, 1732953, 2310604, 3465906, 5198859, 6931812, 10397718, 20795436]

約数ペア:

[(1, 20795436), (2, 10397718), (3, 6931812), (4, 5198859), (6, 3465906), (9, 2310604), (12, 1732953), (18, 1155302), (29, 717084), (36, 577651), (58, 358542), (87, 239028), (116, 179271), (174, 119514), (261, 79676), (348, 59757), (522, 39838), (1044, 19919)]