20120369086

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{2081}}^1\times {\mathrm{254437}}^1$

素因数の和:256539

約数の個数: 16

約数和(自身を含む): 31784394960

約数和(自身を除く): 11664025874

約数列:

[1, 2, 19, 38, 2081, 4162, 39539, 79078, 254437, 508874, 4834303, 9668606, 529483397, 1058966794, 10060184543, 20120369086]

約数ペア:

[(1, 20120369086), (2, 10060184543), (19, 1058966794), (38, 529483397), (2081, 9668606), (4162, 4834303), (39539, 508874), (79078, 254437)]