20160372920

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1859813}}^1$

素因数の和:1860095

約数の個数: 32

約数和(自身を含む): 45528246720

約数和(自身を除く): 25367873800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 10840, 1859813, 3719626, 7439252, 9299065, 14878504, 18598130, 37196260, 74392520, 504009323, 1008018646, 2016037292, 2520046615, 4032074584, 5040093230, 10080186460, 20160372920]

約数ペア:

[(1, 20160372920), (2, 10080186460), (4, 5040093230), (5, 4032074584), (8, 2520046615), (10, 2016037292), (20, 1008018646), (40, 504009323), (271, 74392520), (542, 37196260), (1084, 18598130), (1355, 14878504), (2168, 9299065), (2710, 7439252), (5420, 3719626), (10840, 1859813)]