20512159624

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{74257}}^1$

素因数の和:74390

約数の個数: 64

約数和(自身を含む): 43521128640

約数和(自身を除く): 23008969016

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 73, 86, 88, 146, 172, 292, 344, 473, 584, 803, 946, 1606, 1892, 3139, 3212, 3784, 6278, 6424, 12556, 25112, 34529, 69058, 74257, 138116, 148514, 276232, 297028, 594056, 816827, 1633654, 3193051, 3267308, 5420761, 6386102, 6534616, 10841522, 12772204, 21683044, 25544408, 35123561, 43366088, 59628371, 70247122, 119256742, 140494244, 233092723, 238513484, 280988488, 466185446, 477026968, 932370892, 1864741784, 2564019953, 5128039906, 10256079812, 20512159624]

約数ペア:

[(1, 20512159624), (2, 10256079812), (4, 5128039906), (8, 2564019953), (11, 1864741784), (22, 932370892), (43, 477026968), (44, 466185446), (73, 280988488), (86, 238513484), (88, 233092723), (146, 140494244), (172, 119256742), (292, 70247122), (344, 59628371), (473, 43366088), (584, 35123561), (803, 25544408), (946, 21683044), (1606, 12772204), (1892, 10841522), (3139, 6534616), (3212, 6386102), (3784, 5420761), (6278, 3267308), (6424, 3193051), (12556, 1633654), (25112, 816827), (34529, 594056), (69058, 297028), (74257, 276232), (138116, 148514)]