20191743

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{541}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 35511840

約数和(自身を除く): 15320097

約数列:

[1, 3, 9, 11, 13, 29, 33, 39, 87, 99, 117, 143, 261, 319, 377, 429, 541, 957, 1131, 1287, 1623, 2871, 3393, 4147, 4869, 5951, 7033, 12441, 15689, 17853, 21099, 37323, 47067, 53559, 63297, 77363, 141201, 172579, 203957, 232089, 517737, 611871, 696267, 1553211, 1835613, 2243527, 6730581, 20191743]

約数ペア:

[(1, 20191743), (3, 6730581), (9, 2243527), (11, 1835613), (13, 1553211), (29, 696267), (33, 611871), (39, 517737), (87, 232089), (99, 203957), (117, 172579), (143, 141201), (261, 77363), (319, 63297), (377, 53559), (429, 47067), (541, 37323), (957, 21099), (1131, 17853), (1287, 15689), (1623, 12441), (2871, 7033), (3393, 5951), (4147, 4869)]