20343585

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1741}}^1$

素因数の和:1809

約数の個数: 32

約数和(自身を含む): 35118720

約数和(自身を除く): 14775135

約数列:

[1, 3, 5, 15, 19, 41, 57, 95, 123, 205, 285, 615, 779, 1741, 2337, 3895, 5223, 8705, 11685, 26115, 33079, 71381, 99237, 165395, 214143, 356905, 496185, 1070715, 1356239, 4068717, 6781195, 20343585]

約数ペア:

[(1, 20343585), (3, 6781195), (5, 4068717), (15, 1356239), (19, 1070715), (41, 496185), (57, 356905), (95, 214143), (123, 165395), (205, 99237), (285, 71381), (615, 33079), (779, 26115), (1741, 11685), (2337, 8705), (3895, 5223)]