20176679824

素因数分解:

$2^4\times 7^2\times {\mathrm{83}}^1\times {\mathrm{311}}^1\times {\mathrm{997}}^1$

素因数の和:1413

約数の個数: 120

約数和(自身を含む): 46216916928

約数和(自身を除く): 26040237104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 83, 98, 112, 166, 196, 311, 332, 392, 581, 622, 664, 784, 997, 1162, 1244, 1328, 1994, 2177, 2324, 2488, 3988, 4067, 4354, 4648, 4976, 6979, 7976, 8134, 8708, 9296, 13958, 15239, 15952, 16268, 17416, 25813, 27916, 30478, 32536, 34832, 48853, 51626, 55832, 60956, 65072, 82751, 97706, 103252, 111664, 121912, 165502, 180691, 195412, 206504, 243824, 310067, 331004, 361382, 390824, 413008, 579257, 620134, 662008, 722764, 781648, 1158514, 1240268, 1264837, 1324016, 1445528, 2170469, 2317028, 2480536, 2529674, 2891056, 4054799, 4340938, 4634056, 4961072, 5059348, 8109598, 8681876, 9268112, 10118696, 15193283, 16219196, 17363752, 20237392, 25735561, 30386566, 32438392, 34727504, 51471122, 60773132, 64876784, 102942244, 121546264, 180148927, 205884488, 243092528, 360297854, 411768976, 720595708, 1261042489, 1441191416, 2522084978, 2882382832, 5044169956, 10088339912, 20176679824]

約数ペア:

[(1, 20176679824), (2, 10088339912), (4, 5044169956), (7, 2882382832), (8, 2522084978), (14, 1441191416), (16, 1261042489), (28, 720595708), (49, 411768976), (56, 360297854), (83, 243092528), (98, 205884488), (112, 180148927), (166, 121546264), (196, 102942244), (311, 64876784), (332, 60773132), (392, 51471122), (581, 34727504), (622, 32438392), (664, 30386566), (784, 25735561), (997, 20237392), (1162, 17363752), (1244, 16219196), (1328, 15193283), (1994, 10118696), (2177, 9268112), (2324, 8681876), (2488, 8109598), (3988, 5059348), (4067, 4961072), (4354, 4634056), (4648, 4340938), (4976, 4054799), (6979, 2891056), (7976, 2529674), (8134, 2480536), (8708, 2317028), (9296, 2170469), (13958, 1445528), (15239, 1324016), (15952, 1264837), (16268, 1240268), (17416, 1158514), (25813, 781648), (27916, 722764), (30478, 662008), (32536, 620134), (34832, 579257), (48853, 413008), (51626, 390824), (55832, 361382), (60956, 331004), (65072, 310067), (82751, 243824), (97706, 206504), (103252, 195412), (111664, 180691), (121912, 165502)]