20409928448

素因数分解:

$2^8\times 7^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{487}}^1$

素因数の和:787

約数の個数: 216

約数和(自身を含む): 51340881312

約数和(自身を除く): 30930952864

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 224, 256, 257, 364, 392, 416, 448, 487, 514, 637, 728, 784, 832, 896, 974, 1028, 1274, 1456, 1568, 1664, 1792, 1799, 1948, 2056, 2548, 2912, 3136, 3328, 3341, 3409, 3598, 3896, 4112, 5096, 5824, 6272, 6331, 6682, 6818, 7196, 7792, 8224, 10192, 11648, 12544, 12593, 12662, 13364, 13636, 14392, 15584, 16448, 20384, 23296, 23387, 23863, 25186, 25324, 26728, 27272, 28784, 31168, 32896, 40768, 44317, 46774, 47726, 50372, 50648, 53456, 54544, 57568, 62336, 65792, 81536, 88634, 93548, 95452, 100744, 101296, 106912, 109088, 115136, 124672, 125159, 163072, 163709, 177268, 187096, 190904, 201488, 202592, 213824, 218176, 230272, 250318, 310219, 327418, 354536, 374192, 381808, 402976, 405184, 427648, 436352, 460544, 500636, 620438, 654836, 709072, 748384, 763616, 805952, 810368, 855296, 872704, 876113, 1001272, 1240876, 1309672, 1418144, 1496768, 1527232, 1611904, 1620736, 1627067, 1752226, 2002544, 2481752, 2619344, 2836288, 2993536, 3054464, 3223808, 3254134, 3504452, 4005088, 4963504, 5238688, 5672576, 5987072, 6108928, 6132791, 6508268, 7008904, 8010176, 9927008, 10477376, 11345152, 11389469, 12265582, 13016536, 14017808, 16020352, 19854016, 20954752, 22778938, 24531164, 26033072, 28035616, 32040704, 39708032, 41909504, 45557876, 49062328, 52066144, 56071232, 79416064, 79726283, 91115752, 98124656, 104132288, 112142464, 159452566, 182231504, 196249312, 208264576, 224284928, 318905132, 364463008, 392498624, 416529152, 637810264, 728926016, 784997248, 1275620528, 1457852032, 1569994496, 2551241056, 2915704064, 5102482112, 10204964224, 20409928448]

約数ペア:

[(1, 20409928448), (2, 10204964224), (4, 5102482112), (7, 2915704064), (8, 2551241056), (13, 1569994496), (14, 1457852032), (16, 1275620528), (26, 784997248), (28, 728926016), (32, 637810264), (49, 416529152), (52, 392498624), (56, 364463008), (64, 318905132), (91, 224284928), (98, 208264576), (104, 196249312), (112, 182231504), (128, 159452566), (182, 112142464), (196, 104132288), (208, 98124656), (224, 91115752), (256, 79726283), (257, 79416064), (364, 56071232), (392, 52066144), (416, 49062328), (448, 45557876), (487, 41909504), (514, 39708032), (637, 32040704), (728, 28035616), (784, 26033072), (832, 24531164), (896, 22778938), (974, 20954752), (1028, 19854016), (1274, 16020352), (1456, 14017808), (1568, 13016536), (1664, 12265582), (1792, 11389469), (1799, 11345152), (1948, 10477376), (2056, 9927008), (2548, 8010176), (2912, 7008904), (3136, 6508268), (3328, 6132791), (3341, 6108928), (3409, 5987072), (3598, 5672576), (3896, 5238688), (4112, 4963504), (5096, 4005088), (5824, 3504452), (6272, 3254134), (6331, 3223808), (6682, 3054464), (6818, 2993536), (7196, 2836288), (7792, 2619344), (8224, 2481752), (10192, 2002544), (11648, 1752226), (12544, 1627067), (12593, 1620736), (12662, 1611904), (13364, 1527232), (13636, 1496768), (14392, 1418144), (15584, 1309672), (16448, 1240876), (20384, 1001272), (23296, 876113), (23387, 872704), (23863, 855296), (25186, 810368), (25324, 805952), (26728, 763616), (27272, 748384), (28784, 709072), (31168, 654836), (32896, 620438), (40768, 500636), (44317, 460544), (46774, 436352), (47726, 427648), (50372, 405184), (50648, 402976), (53456, 381808), (54544, 374192), (57568, 354536), (62336, 327418), (65792, 310219), (81536, 250318), (88634, 230272), (93548, 218176), (95452, 213824), (100744, 202592), (101296, 201488), (106912, 190904), (109088, 187096), (115136, 177268), (124672, 163709), (125159, 163072)]