20119399025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{569}}^1\times {\mathrm{11689}}^1$

素因数の和:12290

約数の個数: 36

約数和(自身を含む): 27472785900

約数和(自身を除く): 7353386875

約数列:

[1, 5, 11, 25, 55, 121, 275, 569, 605, 2845, 3025, 6259, 11689, 14225, 31295, 58445, 68849, 128579, 156475, 292225, 344245, 642895, 1414369, 1721225, 3214475, 6651041, 7071845, 33255205, 35359225, 73161451, 166276025, 365807255, 804775961, 1829036275, 4023879805, 20119399025]

約数ペア:

[(1, 20119399025), (5, 4023879805), (11, 1829036275), (25, 804775961), (55, 365807255), (121, 166276025), (275, 73161451), (569, 35359225), (605, 33255205), (2845, 7071845), (3025, 6651041), (6259, 3214475), (11689, 1721225), (14225, 1414369), (31295, 642895), (58445, 344245), (68849, 292225), (128579, 156475)]