20123557532

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{1949}}^1$

素因数の和:2175

約数の個数: 96

約数和(自身を含む): 40452048000

約数和(自身を除く): 20328490468

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 89, 92, 97, 178, 194, 299, 356, 388, 598, 1157, 1196, 1261, 1949, 2047, 2231, 2314, 2522, 3898, 4094, 4462, 4628, 5044, 7796, 8188, 8633, 8924, 17266, 25337, 26611, 29003, 34532, 44827, 50674, 53222, 58006, 89654, 101348, 106444, 112229, 116012, 173461, 179308, 189053, 198559, 224458, 346922, 378106, 397118, 448916, 582751, 693844, 756212, 794236, 1165502, 2254993, 2331004, 2457689, 2581267, 3989603, 4348219, 4509986, 4915378, 5162534, 7979206, 8696438, 9019972, 9830756, 10325068, 15958412, 16825717, 17392876, 33651434, 51864839, 56526847, 67302868, 103729678, 113053694, 207459356, 218734321, 226107388, 386991491, 437468642, 773982982, 874937284, 1547965964, 5030889383, 10061778766, 20123557532]

約数ペア:

[(1, 20123557532), (2, 10061778766), (4, 5030889383), (13, 1547965964), (23, 874937284), (26, 773982982), (46, 437468642), (52, 386991491), (89, 226107388), (92, 218734321), (97, 207459356), (178, 113053694), (194, 103729678), (299, 67302868), (356, 56526847), (388, 51864839), (598, 33651434), (1157, 17392876), (1196, 16825717), (1261, 15958412), (1949, 10325068), (2047, 9830756), (2231, 9019972), (2314, 8696438), (2522, 7979206), (3898, 5162534), (4094, 4915378), (4462, 4509986), (4628, 4348219), (5044, 3989603), (7796, 2581267), (8188, 2457689), (8633, 2331004), (8924, 2254993), (17266, 1165502), (25337, 794236), (26611, 756212), (29003, 693844), (34532, 582751), (44827, 448916), (50674, 397118), (53222, 378106), (58006, 346922), (89654, 224458), (101348, 198559), (106444, 189053), (112229, 179308), (116012, 173461)]