20131471808

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{2549}}^1$

素因数の和:2663

約数の個数: 168

約数和(自身を含む): 49313287200

約数和(自身を除く): 29181815392

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 61, 64, 68, 112, 119, 122, 136, 224, 238, 244, 272, 289, 427, 448, 476, 488, 544, 578, 854, 952, 976, 1037, 1088, 1156, 1708, 1904, 1952, 2023, 2074, 2312, 2549, 3416, 3808, 3904, 4046, 4148, 4624, 5098, 6832, 7259, 7616, 8092, 8296, 9248, 10196, 13664, 14518, 16184, 16592, 17629, 17843, 18496, 20392, 27328, 29036, 32368, 33184, 35258, 35686, 40784, 43333, 58072, 64736, 66368, 70516, 71372, 81568, 86666, 116144, 123403, 129472, 141032, 142744, 155489, 163136, 173332, 232288, 246806, 282064, 285488, 303331, 310978, 346664, 464576, 493612, 564128, 570976, 606662, 621956, 693328, 736661, 987224, 1088423, 1128256, 1141952, 1213324, 1243912, 1386656, 1473322, 1974448, 2176846, 2426648, 2487824, 2643313, 2773312, 2946644, 3948896, 4353692, 4853296, 4975648, 5156627, 5286626, 5893288, 7897792, 8707384, 9706592, 9951296, 10313254, 10573252, 11786576, 17414768, 18503191, 19413184, 20626508, 21146504, 23573152, 34829536, 37006382, 41253016, 42293008, 44936321, 47146304, 69659072, 74012764, 82506032, 84586016, 89872642, 148025528, 165012064, 169172032, 179745284, 296051056, 314554247, 330024128, 359490568, 592102112, 629108494, 718981136, 1184204224, 1258216988, 1437962272, 2516433976, 2875924544, 5032867952, 10065735904, 20131471808]

約数ペア:

[(1, 20131471808), (2, 10065735904), (4, 5032867952), (7, 2875924544), (8, 2516433976), (14, 1437962272), (16, 1258216988), (17, 1184204224), (28, 718981136), (32, 629108494), (34, 592102112), (56, 359490568), (61, 330024128), (64, 314554247), (68, 296051056), (112, 179745284), (119, 169172032), (122, 165012064), (136, 148025528), (224, 89872642), (238, 84586016), (244, 82506032), (272, 74012764), (289, 69659072), (427, 47146304), (448, 44936321), (476, 42293008), (488, 41253016), (544, 37006382), (578, 34829536), (854, 23573152), (952, 21146504), (976, 20626508), (1037, 19413184), (1088, 18503191), (1156, 17414768), (1708, 11786576), (1904, 10573252), (1952, 10313254), (2023, 9951296), (2074, 9706592), (2312, 8707384), (2549, 7897792), (3416, 5893288), (3808, 5286626), (3904, 5156627), (4046, 4975648), (4148, 4853296), (4624, 4353692), (5098, 3948896), (6832, 2946644), (7259, 2773312), (7616, 2643313), (8092, 2487824), (8296, 2426648), (9248, 2176846), (10196, 1974448), (13664, 1473322), (14518, 1386656), (16184, 1243912), (16592, 1213324), (17629, 1141952), (17843, 1128256), (18496, 1088423), (20392, 987224), (27328, 736661), (29036, 693328), (32368, 621956), (33184, 606662), (35258, 570976), (35686, 564128), (40784, 493612), (43333, 464576), (58072, 346664), (64736, 310978), (66368, 303331), (70516, 285488), (71372, 282064), (81568, 246806), (86666, 232288), (116144, 173332), (123403, 163136), (129472, 155489), (141032, 142744)]