20428829856

素因数分解:

$2^5\times 3^4\times {\mathrm{127}}^1\times {\mathrm{229}}^1\times {\mathrm{271}}^1$

素因数の和:649

約数の個数: 240

約数和(自身を含む): 61042544640

約数和(自身を除く): 40613714784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 127, 144, 162, 216, 229, 254, 271, 288, 324, 381, 432, 458, 508, 542, 648, 687, 762, 813, 864, 916, 1016, 1084, 1143, 1296, 1374, 1524, 1626, 1832, 2032, 2061, 2168, 2286, 2439, 2592, 2748, 3048, 3252, 3429, 3664, 4064, 4122, 4336, 4572, 4878, 5496, 6096, 6183, 6504, 6858, 7317, 7328, 8244, 8672, 9144, 9756, 10287, 10992, 12192, 12366, 13008, 13716, 14634, 16488, 18288, 18549, 19512, 20574, 21951, 21984, 24732, 26016, 27432, 29083, 29268, 32976, 34417, 36576, 37098, 39024, 41148, 43902, 49464, 54864, 58166, 58536, 62059, 65952, 68834, 74196, 78048, 82296, 87249, 87804, 98928, 103251, 109728, 116332, 117072, 124118, 137668, 148392, 164592, 174498, 175608, 186177, 197856, 206502, 232664, 234144, 248236, 261747, 275336, 296784, 309753, 329184, 348996, 351216, 372354, 413004, 465328, 496472, 523494, 550672, 558531, 593568, 619506, 697992, 702432, 744708, 785241, 826008, 929259, 930656, 992944, 1046988, 1101344, 1117062, 1239012, 1395984, 1489416, 1570482, 1652016, 1675593, 1858518, 1985888, 2093976, 2234124, 2355723, 2478024, 2787777, 2791968, 2978832, 3140964, 3304032, 3351186, 3717036, 4187952, 4468248, 4711446, 4956048, 5026779, 5575554, 5957664, 6281928, 6702372, 7434072, 7881493, 8375904, 8936496, 9422892, 9912096, 10053558, 11151108, 12563856, 13404744, 14868144, 15762986, 17872992, 18845784, 20107116, 22302216, 23644479, 25127712, 26809488, 29736288, 31525972, 37691568, 40214232, 44604432, 47288958, 53618976, 63051944, 70933437, 75383136, 80428464, 89208864, 94577916, 126103888, 141866874, 160856928, 189155832, 212800311, 252207776, 283733748, 378311664, 425600622, 567467496, 638400933, 756623328, 851201244, 1134934992, 1276801866, 1702402488, 2269869984, 2553603732, 3404804976, 5107207464, 6809609952, 10214414928, 20428829856]

約数ペア:

[(1, 20428829856), (2, 10214414928), (3, 6809609952), (4, 5107207464), (6, 3404804976), (8, 2553603732), (9, 2269869984), (12, 1702402488), (16, 1276801866), (18, 1134934992), (24, 851201244), (27, 756623328), (32, 638400933), (36, 567467496), (48, 425600622), (54, 378311664), (72, 283733748), (81, 252207776), (96, 212800311), (108, 189155832), (127, 160856928), (144, 141866874), (162, 126103888), (216, 94577916), (229, 89208864), (254, 80428464), (271, 75383136), (288, 70933437), (324, 63051944), (381, 53618976), (432, 47288958), (458, 44604432), (508, 40214232), (542, 37691568), (648, 31525972), (687, 29736288), (762, 26809488), (813, 25127712), (864, 23644479), (916, 22302216), (1016, 20107116), (1084, 18845784), (1143, 17872992), (1296, 15762986), (1374, 14868144), (1524, 13404744), (1626, 12563856), (1832, 11151108), (2032, 10053558), (2061, 9912096), (2168, 9422892), (2286, 8936496), (2439, 8375904), (2592, 7881493), (2748, 7434072), (3048, 6702372), (3252, 6281928), (3429, 5957664), (3664, 5575554), (4064, 5026779), (4122, 4956048), (4336, 4711446), (4572, 4468248), (4878, 4187952), (5496, 3717036), (6096, 3351186), (6183, 3304032), (6504, 3140964), (6858, 2978832), (7317, 2791968), (7328, 2787777), (8244, 2478024), (8672, 2355723), (9144, 2234124), (9756, 2093976), (10287, 1985888), (10992, 1858518), (12192, 1675593), (12366, 1652016), (13008, 1570482), (13716, 1489416), (14634, 1395984), (16488, 1239012), (18288, 1117062), (18549, 1101344), (19512, 1046988), (20574, 992944), (21951, 930656), (21984, 929259), (24732, 826008), (26016, 785241), (27432, 744708), (29083, 702432), (29268, 697992), (32976, 619506), (34417, 593568), (36576, 558531), (37098, 550672), (39024, 523494), (41148, 496472), (43902, 465328), (49464, 413004), (54864, 372354), (58166, 351216), (58536, 348996), (62059, 329184), (65952, 309753), (68834, 296784), (74196, 275336), (78048, 261747), (82296, 248236), (87249, 234144), (87804, 232664), (98928, 206502), (103251, 197856), (109728, 186177), (116332, 175608), (117072, 174498), (124118, 164592), (137668, 148392)]