20005096888

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{82483}}^1$

素因数の和:82628

約数の個数: 64

約数和(自身を含む): 44185029120

約数和(自身を除く): 24179932232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 71, 122, 142, 244, 284, 427, 488, 497, 568, 854, 994, 1708, 1988, 3416, 3976, 4331, 8662, 17324, 30317, 34648, 60634, 82483, 121268, 164966, 242536, 329932, 577381, 659864, 1154762, 2309524, 4619048, 5031463, 5856293, 10062926, 11712586, 20125852, 23425172, 35220241, 40251704, 40994051, 46850344, 70440482, 81988102, 140880964, 163976204, 281761928, 327952408, 357233873, 714467746, 1428935492, 2500637111, 2857870984, 5001274222, 10002548444, 20005096888]

約数ペア:

[(1, 20005096888), (2, 10002548444), (4, 5001274222), (7, 2857870984), (8, 2500637111), (14, 1428935492), (28, 714467746), (56, 357233873), (61, 327952408), (71, 281761928), (122, 163976204), (142, 140880964), (244, 81988102), (284, 70440482), (427, 46850344), (488, 40994051), (497, 40251704), (568, 35220241), (854, 23425172), (994, 20125852), (1708, 11712586), (1988, 10062926), (3416, 5856293), (3976, 5031463), (4331, 4619048), (8662, 2309524), (17324, 1154762), (30317, 659864), (34648, 577381), (60634, 329932), (82483, 242536), (121268, 164966)]