20575848

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:139

約数の個数: 128

約数和(自身を含む): 59097600

約数和(自身を除く): 38521752

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 29, 34, 37, 47, 51, 58, 68, 74, 87, 94, 102, 111, 116, 136, 141, 148, 174, 188, 204, 222, 232, 282, 296, 348, 376, 408, 444, 493, 564, 629, 696, 799, 888, 986, 1073, 1128, 1258, 1363, 1479, 1598, 1739, 1887, 1972, 2146, 2397, 2516, 2726, 2958, 3196, 3219, 3478, 3774, 3944, 4089, 4292, 4794, 5032, 5217, 5452, 5916, 6392, 6438, 6956, 7548, 8178, 8584, 9588, 10434, 10904, 11832, 12876, 13912, 15096, 16356, 18241, 19176, 20868, 23171, 25752, 29563, 32712, 36482, 41736, 46342, 50431, 54723, 59126, 69513, 72964, 88689, 92684, 100862, 109446, 118252, 139026, 145928, 151293, 177378, 185368, 201724, 218892, 236504, 278052, 302586, 354756, 403448, 437784, 556104, 605172, 709512, 857327, 1210344, 1714654, 2571981, 3429308, 5143962, 6858616, 10287924, 20575848]

約数ペア:

[(1, 20575848), (2, 10287924), (3, 6858616), (4, 5143962), (6, 3429308), (8, 2571981), (12, 1714654), (17, 1210344), (24, 857327), (29, 709512), (34, 605172), (37, 556104), (47, 437784), (51, 403448), (58, 354756), (68, 302586), (74, 278052), (87, 236504), (94, 218892), (102, 201724), (111, 185368), (116, 177378), (136, 151293), (141, 145928), (148, 139026), (174, 118252), (188, 109446), (204, 100862), (222, 92684), (232, 88689), (282, 72964), (296, 69513), (348, 59126), (376, 54723), (408, 50431), (444, 46342), (493, 41736), (564, 36482), (629, 32712), (696, 29563), (799, 25752), (888, 23171), (986, 20868), (1073, 19176), (1128, 18241), (1258, 16356), (1363, 15096), (1479, 13912), (1598, 12876), (1739, 11832), (1887, 10904), (1972, 10434), (2146, 9588), (2397, 8584), (2516, 8178), (2726, 7548), (2958, 6956), (3196, 6438), (3219, 6392), (3478, 5916), (3774, 5452), (3944, 5217), (4089, 5032), (4292, 4794)]