20153060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 44585856

約数和(自身を除く): 24432796

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 193, 227, 230, 386, 454, 460, 772, 908, 965, 1135, 1930, 2270, 3860, 4439, 4540, 5221, 8878, 10442, 17756, 20884, 22195, 26105, 43811, 44390, 52210, 87622, 88780, 104420, 175244, 219055, 438110, 876220, 1007653, 2015306, 4030612, 5038265, 10076530, 20153060]

約数ペア:

[(1, 20153060), (2, 10076530), (4, 5038265), (5, 4030612), (10, 2015306), (20, 1007653), (23, 876220), (46, 438110), (92, 219055), (115, 175244), (193, 104420), (227, 88780), (230, 87622), (386, 52210), (454, 44390), (460, 43811), (772, 26105), (908, 22195), (965, 20884), (1135, 17756), (1930, 10442), (2270, 8878), (3860, 5221), (4439, 4540)]