20199113907

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{9479}}^1$

素因数の和:9680

約数の個数: 64

約数和(自身を含む): 33549189120

約数和(自身を除く): 13350075213

約数列:

[1, 3, 7, 17, 21, 47, 51, 119, 127, 141, 329, 357, 381, 799, 889, 987, 2159, 2397, 2667, 5593, 5969, 6477, 9479, 15113, 16779, 17907, 28437, 41783, 45339, 66353, 101473, 125349, 161143, 199059, 304419, 445513, 483429, 710311, 1128001, 1203833, 1336539, 2130933, 3118591, 3384003, 3611499, 7573721, 8426831, 9355773, 20465161, 22721163, 25280493, 53016047, 56580151, 61395483, 143256127, 159048141, 169740453, 396061057, 429768381, 961862567, 1188183171, 2885587701, 6733037969, 20199113907]

約数ペア:

[(1, 20199113907), (3, 6733037969), (7, 2885587701), (17, 1188183171), (21, 961862567), (47, 429768381), (51, 396061057), (119, 169740453), (127, 159048141), (141, 143256127), (329, 61395483), (357, 56580151), (381, 53016047), (799, 25280493), (889, 22721163), (987, 20465161), (2159, 9355773), (2397, 8426831), (2667, 7573721), (5593, 3611499), (5969, 3384003), (6477, 3118591), (9479, 2130933), (15113, 1336539), (16779, 1203833), (17907, 1128001), (28437, 710311), (41783, 483429), (45339, 445513), (66353, 304419), (101473, 199059), (125349, 161143)]