20213787616

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{2111}}^1\times {\mathrm{2473}}^1$

素因数の和:4616

約数の個数: 72

約数和(自身を含む): 43781012352

約数和(自身を除く): 23567224736

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 2111, 2473, 3872, 4222, 4946, 8444, 9892, 16888, 19784, 23221, 27203, 33776, 39568, 46442, 54406, 67552, 79136, 92884, 108812, 185768, 217624, 255431, 299233, 371536, 435248, 510862, 598466, 743072, 870496, 1021724, 1196932, 2043448, 2393864, 4086896, 4787728, 5220503, 8173792, 9575456, 10441006, 20882012, 41764024, 57425533, 83528048, 114851066, 167056096, 229702132, 459404264, 631680863, 918808528, 1263361726, 1837617056, 2526723452, 5053446904, 10106893808, 20213787616]

約数ペア:

[(1, 20213787616), (2, 10106893808), (4, 5053446904), (8, 2526723452), (11, 1837617056), (16, 1263361726), (22, 918808528), (32, 631680863), (44, 459404264), (88, 229702132), (121, 167056096), (176, 114851066), (242, 83528048), (352, 57425533), (484, 41764024), (968, 20882012), (1936, 10441006), (2111, 9575456), (2473, 8173792), (3872, 5220503), (4222, 4787728), (4946, 4086896), (8444, 2393864), (9892, 2043448), (16888, 1196932), (19784, 1021724), (23221, 870496), (27203, 743072), (33776, 598466), (39568, 510862), (46442, 435248), (54406, 371536), (67552, 299233), (79136, 255431), (92884, 217624), (108812, 185768)]