20166723920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{347}}^1\times {\mathrm{1759}}^1$

素因数の和:2185

約数の個数: 160

約数和(自身を含む): 54682214400

約数和(自身を除く): 34515490480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 59, 70, 80, 112, 118, 140, 236, 280, 295, 347, 413, 472, 560, 590, 694, 826, 944, 1180, 1388, 1652, 1735, 1759, 2065, 2360, 2429, 2776, 3304, 3470, 3518, 4130, 4720, 4858, 5552, 6608, 6940, 7036, 8260, 8795, 9716, 12145, 12313, 13880, 14072, 16520, 17590, 19432, 20473, 24290, 24626, 27760, 28144, 33040, 35180, 38864, 40946, 48580, 49252, 61565, 70360, 81892, 97160, 98504, 102365, 103781, 123130, 140720, 143311, 163784, 194320, 197008, 204730, 207562, 246260, 286622, 327568, 409460, 415124, 492520, 518905, 573244, 610373, 716555, 726467, 818920, 830248, 985040, 1037810, 1146488, 1220746, 1433110, 1452934, 1637840, 1660496, 2075620, 2292976, 2441492, 2866220, 2905868, 3051865, 3632335, 4151240, 4272611, 4882984, 5732440, 5811736, 6103730, 7264670, 8302480, 8545222, 9765968, 11464880, 11623472, 12207460, 14529340, 17090444, 21363055, 24414920, 29058680, 34180888, 36012007, 42726110, 48829840, 58117360, 68361776, 72024014, 85452220, 144048028, 170904440, 180060035, 252084049, 288096056, 341808880, 360120070, 504168098, 576192112, 720240140, 1008336196, 1260420245, 1440480280, 2016672392, 2520840490, 2880960560, 4033344784, 5041680980, 10083361960, 20166723920]

約数ペア:

[(1, 20166723920), (2, 10083361960), (4, 5041680980), (5, 4033344784), (7, 2880960560), (8, 2520840490), (10, 2016672392), (14, 1440480280), (16, 1260420245), (20, 1008336196), (28, 720240140), (35, 576192112), (40, 504168098), (56, 360120070), (59, 341808880), (70, 288096056), (80, 252084049), (112, 180060035), (118, 170904440), (140, 144048028), (236, 85452220), (280, 72024014), (295, 68361776), (347, 58117360), (413, 48829840), (472, 42726110), (560, 36012007), (590, 34180888), (694, 29058680), (826, 24414920), (944, 21363055), (1180, 17090444), (1388, 14529340), (1652, 12207460), (1735, 11623472), (1759, 11464880), (2065, 9765968), (2360, 8545222), (2429, 8302480), (2776, 7264670), (3304, 6103730), (3470, 5811736), (3518, 5732440), (4130, 4882984), (4720, 4272611), (4858, 4151240), (5552, 3632335), (6608, 3051865), (6940, 2905868), (7036, 2866220), (8260, 2441492), (8795, 2292976), (9716, 2075620), (12145, 1660496), (12313, 1637840), (13880, 1452934), (14072, 1433110), (16520, 1220746), (17590, 1146488), (19432, 1037810), (20473, 985040), (24290, 830248), (24626, 818920), (27760, 726467), (28144, 716555), (33040, 610373), (35180, 573244), (38864, 518905), (40946, 492520), (48580, 415124), (49252, 409460), (61565, 327568), (70360, 286622), (81892, 246260), (97160, 207562), (98504, 204730), (102365, 197008), (103781, 194320), (123130, 163784), (140720, 143311)]