20891320416

素因数分解:

$2^5\times 3^6\times {\mathrm{281}}^1\times {\mathrm{3187}}^1$

素因数の和:3496

約数の個数: 168

約数和(自身を含む): 61905342744

約数和(自身を除く): 41014022328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 243, 281, 288, 324, 432, 486, 562, 648, 729, 843, 864, 972, 1124, 1296, 1458, 1686, 1944, 2248, 2529, 2592, 2916, 3187, 3372, 3888, 4496, 5058, 5832, 6374, 6744, 7587, 7776, 8992, 9561, 10116, 11664, 12748, 13488, 15174, 19122, 20232, 22761, 23328, 25496, 26976, 28683, 30348, 38244, 40464, 45522, 50992, 57366, 60696, 68283, 76488, 80928, 86049, 91044, 101984, 114732, 121392, 136566, 152976, 172098, 182088, 204849, 229464, 242784, 258147, 273132, 305952, 344196, 364176, 409698, 458928, 516294, 546264, 688392, 728352, 774441, 819396, 895547, 917856, 1032588, 1092528, 1376784, 1548882, 1638792, 1791094, 2065176, 2185056, 2323323, 2686641, 2753568, 3097764, 3277584, 3582188, 4130352, 4646646, 5373282, 6195528, 6555168, 7164376, 8059923, 8260704, 9293292, 10746564, 12391056, 14328752, 16119846, 18586584, 21493128, 24179769, 24782112, 28657504, 32239692, 37173168, 42986256, 48359538, 64479384, 72539307, 74346336, 85972512, 96719076, 128958768, 145078614, 193438152, 217617921, 257917536, 290157228, 386876304, 435235842, 580314456, 652853763, 773752608, 870471684, 1160628912, 1305707526, 1740943368, 2321257824, 2611415052, 3481886736, 5222830104, 6963773472, 10445660208, 20891320416]

約数ペア:

[(1, 20891320416), (2, 10445660208), (3, 6963773472), (4, 5222830104), (6, 3481886736), (8, 2611415052), (9, 2321257824), (12, 1740943368), (16, 1305707526), (18, 1160628912), (24, 870471684), (27, 773752608), (32, 652853763), (36, 580314456), (48, 435235842), (54, 386876304), (72, 290157228), (81, 257917536), (96, 217617921), (108, 193438152), (144, 145078614), (162, 128958768), (216, 96719076), (243, 85972512), (281, 74346336), (288, 72539307), (324, 64479384), (432, 48359538), (486, 42986256), (562, 37173168), (648, 32239692), (729, 28657504), (843, 24782112), (864, 24179769), (972, 21493128), (1124, 18586584), (1296, 16119846), (1458, 14328752), (1686, 12391056), (1944, 10746564), (2248, 9293292), (2529, 8260704), (2592, 8059923), (2916, 7164376), (3187, 6555168), (3372, 6195528), (3888, 5373282), (4496, 4646646), (5058, 4130352), (5832, 3582188), (6374, 3277584), (6744, 3097764), (7587, 2753568), (7776, 2686641), (8992, 2323323), (9561, 2185056), (10116, 2065176), (11664, 1791094), (12748, 1638792), (13488, 1548882), (15174, 1376784), (19122, 1092528), (20232, 1032588), (22761, 917856), (23328, 895547), (25496, 819396), (26976, 774441), (28683, 728352), (30348, 688392), (38244, 546264), (40464, 516294), (45522, 458928), (50992, 409698), (57366, 364176), (60696, 344196), (68283, 305952), (76488, 273132), (80928, 258147), (86049, 242784), (91044, 229464), (101984, 204849), (114732, 182088), (121392, 172098), (136566, 152976)]