20282697

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 31372800

約数和(自身を除く): 11090103

約数列:

[1, 3, 9, 27, 37, 79, 111, 237, 257, 333, 711, 771, 999, 2133, 2313, 2923, 6939, 8769, 9509, 20303, 26307, 28527, 60909, 78921, 85581, 182727, 256743, 548181, 751211, 2253633, 6760899, 20282697]

約数ペア:

[(1, 20282697), (3, 6760899), (9, 2253633), (27, 751211), (37, 548181), (79, 256743), (111, 182727), (237, 85581), (257, 78921), (333, 60909), (711, 28527), (771, 26307), (999, 20303), (2133, 9509), (2313, 8769), (2923, 6939)]