20517588

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6263}}^1$

素因数の和:6293

約数の個数: 72

約数和(自身を含む): 63842688

約数和(自身を除く): 43325100

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6263, 12526, 18789, 25052, 37578, 43841, 56367, 75156, 81419, 87682, 112734, 131523, 162838, 175364, 225468, 244257, 263046, 325676, 394569, 488514, 526092, 569933, 732771, 789138, 977028, 1139866, 1465542, 1578276, 1709799, 2279732, 2931084, 3419598, 5129397, 6839196, 10258794, 20517588]

約数ペア:

[(1, 20517588), (2, 10258794), (3, 6839196), (4, 5129397), (6, 3419598), (7, 2931084), (9, 2279732), (12, 1709799), (13, 1578276), (14, 1465542), (18, 1139866), (21, 977028), (26, 789138), (28, 732771), (36, 569933), (39, 526092), (42, 488514), (52, 394569), (63, 325676), (78, 263046), (84, 244257), (91, 225468), (117, 175364), (126, 162838), (156, 131523), (182, 112734), (234, 87682), (252, 81419), (273, 75156), (364, 56367), (468, 43841), (546, 37578), (819, 25052), (1092, 18789), (1638, 12526), (3276, 6263)]