20897085

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3089}}^1$

素因数の和:3149

約数の個数: 32

約数和(自身を含む): 37376640

約数和(自身を除く): 16479555

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 123, 165, 205, 451, 615, 1353, 2255, 3089, 6765, 9267, 15445, 33979, 46335, 101937, 126649, 169895, 379947, 509685, 633245, 1393139, 1899735, 4179417, 6965695, 20897085]

約数ペア:

[(1, 20897085), (3, 6965695), (5, 4179417), (11, 1899735), (15, 1393139), (33, 633245), (41, 509685), (55, 379947), (123, 169895), (165, 126649), (205, 101937), (451, 46335), (615, 33979), (1353, 15445), (2255, 9267), (3089, 6765)]