20162963072

素因数分解:

$2^7\times 7^1\times {\mathrm{647}}^1\times {\mathrm{34781}}^1$

素因数の和:35449

約数の個数: 64

約数和(自身を含む): 45979021440

約数和(自身を除く): 25816058368

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 647, 896, 1294, 2588, 4529, 5176, 9058, 10352, 18116, 20704, 34781, 36232, 41408, 69562, 72464, 82816, 139124, 144928, 243467, 278248, 289856, 486934, 556496, 579712, 973868, 1112992, 1947736, 2225984, 3895472, 4451968, 7790944, 15581888, 22503307, 31163776, 45006614, 90013228, 157523149, 180026456, 315046298, 360052912, 630092596, 720105824, 1260185192, 1440211648, 2520370384, 2880423296, 5040740768, 10081481536, 20162963072]

約数ペア:

[(1, 20162963072), (2, 10081481536), (4, 5040740768), (7, 2880423296), (8, 2520370384), (14, 1440211648), (16, 1260185192), (28, 720105824), (32, 630092596), (56, 360052912), (64, 315046298), (112, 180026456), (128, 157523149), (224, 90013228), (448, 45006614), (647, 31163776), (896, 22503307), (1294, 15581888), (2588, 7790944), (4529, 4451968), (5176, 3895472), (9058, 2225984), (10352, 1947736), (18116, 1112992), (20704, 973868), (34781, 579712), (36232, 556496), (41408, 486934), (69562, 289856), (72464, 278248), (82816, 243467), (139124, 144928)]