20139812920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{951787}}^1$

素因数の和:951844

約数の個数: 48

約数和(自身を含む): 47370488760

約数和(自身を除く): 27230675840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 529, 920, 1058, 2116, 2645, 4232, 5290, 10580, 21160, 951787, 1903574, 3807148, 4758935, 7614296, 9517870, 19035740, 21891101, 38071480, 43782202, 87564404, 109455505, 175128808, 218911010, 437822020, 503495323, 875644040, 1006990646, 2013981292, 2517476615, 4027962584, 5034953230, 10069906460, 20139812920]

約数ペア:

[(1, 20139812920), (2, 10069906460), (4, 5034953230), (5, 4027962584), (8, 2517476615), (10, 2013981292), (20, 1006990646), (23, 875644040), (40, 503495323), (46, 437822020), (92, 218911010), (115, 175128808), (184, 109455505), (230, 87564404), (460, 43782202), (529, 38071480), (920, 21891101), (1058, 19035740), (2116, 9517870), (2645, 7614296), (4232, 4758935), (5290, 3807148), (10580, 1903574), (21160, 951787)]