20586456

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 65356200

約数和(自身を除く): 44769744

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 17, 18, 22, 24, 33, 34, 36, 44, 51, 66, 68, 72, 88, 99, 102, 121, 132, 136, 139, 153, 187, 198, 204, 242, 264, 278, 306, 363, 374, 396, 408, 417, 484, 556, 561, 612, 726, 748, 792, 834, 968, 1089, 1112, 1122, 1224, 1251, 1452, 1496, 1529, 1668, 1683, 2057, 2178, 2244, 2363, 2502, 2904, 3058, 3336, 3366, 4114, 4356, 4488, 4587, 4726, 5004, 6116, 6171, 6732, 7089, 8228, 8712, 9174, 9452, 10008, 12232, 12342, 13464, 13761, 14178, 16456, 16819, 18348, 18513, 18904, 21267, 24684, 25993, 27522, 28356, 33638, 36696, 37026, 42534, 49368, 50457, 51986, 55044, 56712, 67276, 74052, 77979, 85068, 100914, 103972, 110088, 134552, 148104, 151371, 155958, 170136, 201828, 207944, 233937, 285923, 302742, 311916, 403656, 467874, 571846, 605484, 623832, 857769, 935748, 1143692, 1210968, 1715538, 1871496, 2287384, 2573307, 3431076, 5146614, 6862152, 10293228, 20586456]

約数ペア:

[(1, 20586456), (2, 10293228), (3, 6862152), (4, 5146614), (6, 3431076), (8, 2573307), (9, 2287384), (11, 1871496), (12, 1715538), (17, 1210968), (18, 1143692), (22, 935748), (24, 857769), (33, 623832), (34, 605484), (36, 571846), (44, 467874), (51, 403656), (66, 311916), (68, 302742), (72, 285923), (88, 233937), (99, 207944), (102, 201828), (121, 170136), (132, 155958), (136, 151371), (139, 148104), (153, 134552), (187, 110088), (198, 103972), (204, 100914), (242, 85068), (264, 77979), (278, 74052), (306, 67276), (363, 56712), (374, 55044), (396, 51986), (408, 50457), (417, 49368), (484, 42534), (556, 37026), (561, 36696), (612, 33638), (726, 28356), (748, 27522), (792, 25993), (834, 24684), (968, 21267), (1089, 18904), (1112, 18513), (1122, 18348), (1224, 16819), (1251, 16456), (1452, 14178), (1496, 13761), (1529, 13464), (1668, 12342), (1683, 12232), (2057, 10008), (2178, 9452), (2244, 9174), (2363, 8712), (2502, 8228), (2904, 7089), (3058, 6732), (3336, 6171), (3366, 6116), (4114, 5004), (4356, 4726), (4488, 4587)]