20673756

素因数分解:

$2^2\times 3^2\times {\mathrm{449}}^1\times {\mathrm{1279}}^1$

素因数の和:1738

約数の個数: 36

約数和(自身を含む): 52416000

約数和(自身を除く): 31742244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 449, 898, 1279, 1347, 1796, 2558, 2694, 3837, 4041, 5116, 5388, 7674, 8082, 11511, 15348, 16164, 23022, 46044, 574271, 1148542, 1722813, 2297084, 3445626, 5168439, 6891252, 10336878, 20673756]

約数ペア:

[(1, 20673756), (2, 10336878), (3, 6891252), (4, 5168439), (6, 3445626), (9, 2297084), (12, 1722813), (18, 1148542), (36, 574271), (449, 46044), (898, 23022), (1279, 16164), (1347, 15348), (1796, 11511), (2558, 8082), (2694, 7674), (3837, 5388), (4041, 5116)]