20501217

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1319}}^1$

素因数の和:1493

約数の個数: 24

約数和(自身を含む): 32535360

約数和(自身を除く): 12034143

約数列:

[1, 3, 9, 11, 33, 99, 157, 471, 1319, 1413, 1727, 3957, 5181, 11871, 14509, 15543, 43527, 130581, 207083, 621249, 1863747, 2277913, 6833739, 20501217]

約数ペア:

[(1, 20501217), (3, 6833739), (9, 2277913), (11, 1863747), (33, 621249), (99, 207083), (157, 130581), (471, 43527), (1319, 15543), (1413, 14509), (1727, 11871), (3957, 5181)]