20748897

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4793}}^1$

素因数の和:4849

約数の個数: 24

約数和(自身を含む): 33155304

約数和(自身を除く): 12406407

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 4793, 14379, 43137, 62309, 177341, 186927, 532023, 560781, 1596069, 2305433, 6916299, 20748897]

約数ペア:

[(1, 20748897), (3, 6916299), (9, 2305433), (13, 1596069), (37, 560781), (39, 532023), (111, 186927), (117, 177341), (333, 62309), (481, 43137), (1443, 14379), (4329, 4793)]