20078896

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{257}}^2$

素因数の和:541

約数の個数: 30

約数和(自身を含む): 41110340

約数和(自身を除く): 21031444

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 257, 304, 514, 1028, 2056, 4112, 4883, 9766, 19532, 39064, 66049, 78128, 132098, 264196, 528392, 1056784, 1254931, 2509862, 5019724, 10039448, 20078896]

約数ペア:

[(1, 20078896), (2, 10039448), (4, 5019724), (8, 2509862), (16, 1254931), (19, 1056784), (38, 528392), (76, 264196), (152, 132098), (257, 78128), (304, 66049), (514, 39064), (1028, 19532), (2056, 9766), (4112, 4883)]