20173890984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^4\times {\mathrm{19}}^1\times {\mathrm{1549}}^1$

素因数の和:1629

約数の個数: 160

約数和(自身を含む): 57550260000

約数和(自身を除く): 37376369016

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 169, 228, 247, 312, 338, 456, 494, 507, 676, 741, 988, 1014, 1352, 1482, 1549, 1976, 2028, 2197, 2964, 3098, 3211, 4056, 4394, 4647, 5928, 6196, 6422, 6591, 8788, 9294, 9633, 12392, 12844, 13182, 17576, 18588, 19266, 20137, 25688, 26364, 28561, 29431, 37176, 38532, 40274, 41743, 52728, 57122, 58862, 60411, 77064, 80548, 83486, 85683, 88293, 114244, 117724, 120822, 125229, 161096, 166972, 171366, 176586, 228488, 235448, 241644, 250458, 261781, 333944, 342732, 353172, 382603, 483288, 500916, 523562, 542659, 685464, 706344, 765206, 785343, 1001832, 1047124, 1085318, 1147809, 1530412, 1570686, 1627977, 2094248, 2170636, 2295618, 3060824, 3141372, 3255954, 3403153, 4341272, 4591236, 4973839, 6282744, 6511908, 6806306, 9182472, 9947678, 10209459, 13023816, 13612612, 14921517, 19895356, 20418918, 27225224, 29843034, 39790712, 40837836, 44240989, 59686068, 64659907, 81675672, 88481978, 119372136, 129319814, 132722967, 176963956, 193979721, 258639628, 265445934, 353927912, 387959442, 517279256, 530891868, 775918884, 840578791, 1061783736, 1551837768, 1681157582, 2521736373, 3362315164, 5043472746, 6724630328, 10086945492, 20173890984]

約数ペア:

[(1, 20173890984), (2, 10086945492), (3, 6724630328), (4, 5043472746), (6, 3362315164), (8, 2521736373), (12, 1681157582), (13, 1551837768), (19, 1061783736), (24, 840578791), (26, 775918884), (38, 530891868), (39, 517279256), (52, 387959442), (57, 353927912), (76, 265445934), (78, 258639628), (104, 193979721), (114, 176963956), (152, 132722967), (156, 129319814), (169, 119372136), (228, 88481978), (247, 81675672), (312, 64659907), (338, 59686068), (456, 44240989), (494, 40837836), (507, 39790712), (676, 29843034), (741, 27225224), (988, 20418918), (1014, 19895356), (1352, 14921517), (1482, 13612612), (1549, 13023816), (1976, 10209459), (2028, 9947678), (2197, 9182472), (2964, 6806306), (3098, 6511908), (3211, 6282744), (4056, 4973839), (4394, 4591236), (4647, 4341272), (5928, 3403153), (6196, 3255954), (6422, 3141372), (6591, 3060824), (8788, 2295618), (9294, 2170636), (9633, 2094248), (12392, 1627977), (12844, 1570686), (13182, 1530412), (17576, 1147809), (18588, 1085318), (19266, 1047124), (20137, 1001832), (25688, 785343), (26364, 765206), (28561, 706344), (29431, 685464), (37176, 542659), (38532, 523562), (40274, 500916), (41743, 483288), (52728, 382603), (57122, 353172), (58862, 342732), (60411, 333944), (77064, 261781), (80548, 250458), (83486, 241644), (85683, 235448), (88293, 228488), (114244, 176586), (117724, 171366), (120822, 166972), (125229, 161096)]