20826281016

素因数分解:

$2^3\times 3^2\times {\mathrm{97}}^1\times {\mathrm{2981999}}^1$

素因数の和:2982108

約数の個数: 48

約数和(自身を含む): 56986020000

約数和(自身を除く): 36159738984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 97, 194, 291, 388, 582, 776, 873, 1164, 1746, 2328, 3492, 6984, 2981999, 5963998, 8945997, 11927996, 17891994, 23855992, 26837991, 35783988, 53675982, 71567976, 107351964, 214703928, 289253903, 578507806, 867761709, 1157015612, 1735523418, 2314031224, 2603285127, 3471046836, 5206570254, 6942093672, 10413140508, 20826281016]

約数ペア:

[(1, 20826281016), (2, 10413140508), (3, 6942093672), (4, 5206570254), (6, 3471046836), (8, 2603285127), (9, 2314031224), (12, 1735523418), (18, 1157015612), (24, 867761709), (36, 578507806), (72, 289253903), (97, 214703928), (194, 107351964), (291, 71567976), (388, 53675982), (582, 35783988), (776, 26837991), (873, 23855992), (1164, 17891994), (1746, 11927996), (2328, 8945997), (3492, 5963998), (6984, 2981999)]