20005126778

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1\times {\mathrm{5347}}^1$

素因数の和:5767

約数の個数: 64

約数和(自身を含む): 37656423168

約数和(自身を除く): 17651296390

約数列:

[1, 2, 7, 13, 14, 26, 61, 91, 122, 182, 337, 427, 674, 793, 854, 1586, 2359, 4381, 4718, 5347, 5551, 8762, 10694, 11102, 20557, 30667, 37429, 41114, 61334, 69511, 74858, 139022, 143899, 267241, 287798, 326167, 486577, 534482, 652334, 973154, 1801939, 1870687, 2283169, 3603878, 3741374, 4240171, 4566338, 8480342, 12613573, 23425207, 25227146, 29681197, 46850414, 59362394, 109918279, 163976449, 219836558, 327952898, 769427953, 1428937627, 1538855906, 2857875254, 10002563389, 20005126778]

約数ペア:

[(1, 20005126778), (2, 10002563389), (7, 2857875254), (13, 1538855906), (14, 1428937627), (26, 769427953), (61, 327952898), (91, 219836558), (122, 163976449), (182, 109918279), (337, 59362394), (427, 46850414), (674, 29681197), (793, 25227146), (854, 23425207), (1586, 12613573), (2359, 8480342), (4381, 4566338), (4718, 4240171), (5347, 3741374), (5551, 3603878), (8762, 2283169), (10694, 1870687), (11102, 1801939), (20557, 973154), (30667, 652334), (37429, 534482), (41114, 486577), (61334, 326167), (69511, 287798), (74858, 267241), (139022, 143899)]