20680218944

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5387}}^1$

素因数の和:5477

約数の個数: 224

約数和(自身を含む): 55180016640

約数和(自身を除く): 34499797696

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 41, 44, 56, 64, 76, 77, 82, 88, 112, 133, 152, 154, 164, 176, 209, 224, 266, 287, 304, 308, 328, 352, 418, 448, 451, 532, 574, 608, 616, 656, 704, 779, 836, 902, 1064, 1148, 1216, 1232, 1312, 1463, 1558, 1672, 1804, 2128, 2296, 2464, 2624, 2926, 3116, 3157, 3344, 3608, 4256, 4592, 4928, 5387, 5453, 5852, 6232, 6314, 6688, 7216, 8512, 8569, 9184, 10774, 10906, 11704, 12464, 12628, 13376, 14432, 17138, 18368, 21548, 21812, 23408, 24928, 25256, 28864, 34276, 37709, 43096, 43624, 46816, 49856, 50512, 59257, 59983, 68552, 75418, 86192, 87248, 93632, 101024, 102353, 118514, 119966, 137104, 150836, 172384, 174496, 202048, 204706, 220867, 237028, 239932, 274208, 301672, 344768, 348992, 409412, 414799, 441734, 474056, 479864, 548416, 603344, 716471, 818824, 829598, 883468, 948112, 959728, 1125883, 1206688, 1432942, 1546069, 1637648, 1659196, 1766936, 1896224, 1919456, 2251766, 2413376, 2429537, 2865884, 3092138, 3275296, 3318392, 3533872, 3792448, 3838912, 4196473, 4503532, 4859074, 5731768, 6184276, 6550592, 6636784, 7067744, 7881181, 8392946, 9007064, 9718148, 11463536, 12368552, 13273568, 14135488, 15762362, 16785892, 17006759, 18014128, 19436296, 22927072, 24737104, 26547136, 29375311, 31524724, 33571784, 34013518, 36028256, 38872592, 45854144, 46161203, 49474208, 58750622, 63049448, 67143568, 68027036, 72056512, 77745184, 92322406, 98948416, 117501244, 126098896, 134287136, 136054072, 155490368, 184644812, 235002488, 252197792, 268574272, 272108144, 323128421, 369289624, 470004976, 504395584, 544216288, 646256842, 738579248, 940009952, 1088432576, 1292513684, 1477158496, 1880019904, 2585027368, 2954316992, 5170054736, 10340109472, 20680218944]

約数ペア:

[(1, 20680218944), (2, 10340109472), (4, 5170054736), (7, 2954316992), (8, 2585027368), (11, 1880019904), (14, 1477158496), (16, 1292513684), (19, 1088432576), (22, 940009952), (28, 738579248), (32, 646256842), (38, 544216288), (41, 504395584), (44, 470004976), (56, 369289624), (64, 323128421), (76, 272108144), (77, 268574272), (82, 252197792), (88, 235002488), (112, 184644812), (133, 155490368), (152, 136054072), (154, 134287136), (164, 126098896), (176, 117501244), (209, 98948416), (224, 92322406), (266, 77745184), (287, 72056512), (304, 68027036), (308, 67143568), (328, 63049448), (352, 58750622), (418, 49474208), (448, 46161203), (451, 45854144), (532, 38872592), (574, 36028256), (608, 34013518), (616, 33571784), (656, 31524724), (704, 29375311), (779, 26547136), (836, 24737104), (902, 22927072), (1064, 19436296), (1148, 18014128), (1216, 17006759), (1232, 16785892), (1312, 15762362), (1463, 14135488), (1558, 13273568), (1672, 12368552), (1804, 11463536), (2128, 9718148), (2296, 9007064), (2464, 8392946), (2624, 7881181), (2926, 7067744), (3116, 6636784), (3157, 6550592), (3344, 6184276), (3608, 5731768), (4256, 4859074), (4592, 4503532), (4928, 4196473), (5387, 3838912), (5453, 3792448), (5852, 3533872), (6232, 3318392), (6314, 3275296), (6688, 3092138), (7216, 2865884), (8512, 2429537), (8569, 2413376), (9184, 2251766), (10774, 1919456), (10906, 1896224), (11704, 1766936), (12464, 1659196), (12628, 1637648), (13376, 1546069), (14432, 1432942), (17138, 1206688), (18368, 1125883), (21548, 959728), (21812, 948112), (23408, 883468), (24928, 829598), (25256, 818824), (28864, 716471), (34276, 603344), (37709, 548416), (43096, 479864), (43624, 474056), (46816, 441734), (49856, 414799), (50512, 409412), (59257, 348992), (59983, 344768), (68552, 301672), (75418, 274208), (86192, 239932), (87248, 237028), (93632, 220867), (101024, 204706), (102353, 202048), (118514, 174496), (119966, 172384), (137104, 150836)]