20145121435

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{347}}^1\times {\mathrm{467}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 25938372096

約数和(自身を除く): 5793250661

約数列:

[1, 5, 23, 47, 115, 235, 347, 467, 529, 1081, 1735, 2335, 2645, 5405, 7981, 10741, 16309, 21949, 24863, 39905, 53705, 81545, 109745, 124315, 162049, 183563, 247043, 375107, 504827, 810245, 917815, 1235215, 1875535, 2524135, 3727127, 7616303, 8627461, 11611021, 18635635, 38081515, 43137305, 58055105, 85723921, 175174969, 428619605, 875874845, 4029024287, 20145121435]

約数ペア:

[(1, 20145121435), (5, 4029024287), (23, 875874845), (47, 428619605), (115, 175174969), (235, 85723921), (347, 58055105), (467, 43137305), (529, 38081515), (1081, 18635635), (1735, 11611021), (2335, 8627461), (2645, 7616303), (5405, 3727127), (7981, 2524135), (10741, 1875535), (16309, 1235215), (21949, 917815), (24863, 810245), (39905, 504827), (53705, 375107), (81545, 247043), (109745, 183563), (124315, 162049)]