20792764

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1997}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 38601360

約数和(自身を除く): 17808596

約数列:

[1, 2, 4, 19, 38, 76, 137, 274, 548, 1997, 2603, 3994, 5206, 7988, 10412, 37943, 75886, 151772, 273589, 547178, 1094356, 5198191, 10396382, 20792764]

約数ペア:

[(1, 20792764), (2, 10396382), (4, 5198191), (19, 1094356), (38, 547178), (76, 273589), (137, 151772), (274, 75886), (548, 37943), (1997, 10412), (2603, 7988), (3994, 5206)]