20371176

素因数分解:

$2^3\times 3^6\times 7^1\times {\mathrm{499}}^1$

素因数の和:530

約数の個数: 112

約数和(自身を含む): 65580000

約数和(自身を除く): 45208824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 243, 252, 324, 378, 486, 499, 504, 567, 648, 729, 756, 972, 998, 1134, 1458, 1497, 1512, 1701, 1944, 1996, 2268, 2916, 2994, 3402, 3493, 3992, 4491, 4536, 5103, 5832, 5988, 6804, 6986, 8982, 10206, 10479, 11976, 13473, 13608, 13972, 17964, 20412, 20958, 26946, 27944, 31437, 35928, 40419, 40824, 41916, 53892, 62874, 80838, 83832, 94311, 107784, 121257, 125748, 161676, 188622, 242514, 251496, 282933, 323352, 363771, 377244, 485028, 565866, 727542, 754488, 848799, 970056, 1131732, 1455084, 1697598, 2263464, 2546397, 2910168, 3395196, 5092794, 6790392, 10185588, 20371176]

約数ペア:

[(1, 20371176), (2, 10185588), (3, 6790392), (4, 5092794), (6, 3395196), (7, 2910168), (8, 2546397), (9, 2263464), (12, 1697598), (14, 1455084), (18, 1131732), (21, 970056), (24, 848799), (27, 754488), (28, 727542), (36, 565866), (42, 485028), (54, 377244), (56, 363771), (63, 323352), (72, 282933), (81, 251496), (84, 242514), (108, 188622), (126, 161676), (162, 125748), (168, 121257), (189, 107784), (216, 94311), (243, 83832), (252, 80838), (324, 62874), (378, 53892), (486, 41916), (499, 40824), (504, 40419), (567, 35928), (648, 31437), (729, 27944), (756, 26946), (972, 20958), (998, 20412), (1134, 17964), (1458, 13972), (1497, 13608), (1512, 13473), (1701, 11976), (1944, 10479), (1996, 10206), (2268, 8982), (2916, 6986), (2994, 6804), (3402, 5988), (3493, 5832), (3992, 5103), (4491, 4536)]