20699994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{5081}}^1$

素因数の和:5190

約数の個数: 32

約数和(自身を含む): 47811456

約数和(自身を除く): 27111462

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 97, 194, 291, 582, 679, 1358, 2037, 4074, 5081, 10162, 15243, 30486, 35567, 71134, 106701, 213402, 492857, 985714, 1478571, 2957142, 3449999, 6899998, 10349997, 20699994]

約数ペア:

[(1, 20699994), (2, 10349997), (3, 6899998), (6, 3449999), (7, 2957142), (14, 1478571), (21, 985714), (42, 492857), (97, 213402), (194, 106701), (291, 71134), (582, 35567), (679, 30486), (1358, 15243), (2037, 10162), (4074, 5081)]