20826465

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1117}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 36706176

約数和(自身を除く): 15879711

約数列:

[1, 3, 5, 11, 15, 33, 55, 113, 165, 339, 565, 1117, 1243, 1695, 3351, 3729, 5585, 6215, 12287, 16755, 18645, 36861, 61435, 126221, 184305, 378663, 631105, 1388431, 1893315, 4165293, 6942155, 20826465]

約数ペア:

[(1, 20826465), (3, 6942155), (5, 4165293), (11, 1893315), (15, 1388431), (33, 631105), (55, 378663), (113, 184305), (165, 126221), (339, 61435), (565, 36861), (1117, 18645), (1243, 16755), (1695, 12287), (3351, 6215), (3729, 5585)]