20531508816

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21661}}^1$

素因数の和:21730

約数の個数: 240

約数和(自身を含む): 68591943168

約数和(自身を除く): 48060434352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 31, 39, 42, 48, 49, 52, 56, 62, 78, 84, 91, 93, 98, 104, 112, 124, 147, 156, 168, 182, 186, 196, 208, 217, 248, 273, 294, 312, 336, 364, 372, 392, 403, 434, 496, 546, 588, 624, 637, 651, 728, 744, 784, 806, 868, 1092, 1176, 1209, 1274, 1302, 1456, 1488, 1519, 1612, 1736, 1911, 2184, 2352, 2418, 2548, 2604, 2821, 3038, 3224, 3472, 3822, 4368, 4557, 4836, 5096, 5208, 5642, 6076, 6448, 7644, 8463, 9114, 9672, 10192, 10416, 11284, 12152, 15288, 16926, 18228, 19344, 19747, 21661, 22568, 24304, 30576, 33852, 36456, 39494, 43322, 45136, 59241, 64983, 67704, 72912, 78988, 86644, 118482, 129966, 135408, 151627, 157976, 173288, 236964, 259932, 281593, 303254, 315952, 346576, 454881, 473928, 519864, 563186, 606508, 671491, 844779, 909762, 947856, 1039728, 1061389, 1126372, 1213016, 1342982, 1689558, 1819524, 1971151, 2014473, 2122778, 2252744, 2426032, 2685964, 3184167, 3379116, 3639048, 3942302, 4028946, 4245556, 4505488, 4700437, 5371928, 5913453, 6368334, 6758232, 7278096, 7884604, 8057892, 8491112, 8729383, 9400874, 10743856, 11826906, 12736668, 13516464, 13798057, 14101311, 15769208, 16115784, 16982224, 17458766, 18801748, 23653812, 25473336, 26188149, 27596114, 28202622, 31538416, 32231568, 32903059, 34917532, 37603496, 41394171, 47307624, 50946672, 52376298, 55192228, 56405244, 61105681, 65806118, 69835064, 75206992, 82788342, 94615248, 98709177, 104752596, 110384456, 112810488, 122211362, 131612236, 139670128, 165576684, 183317043, 197418354, 209505192, 220768912, 225620976, 244422724, 263224472, 331153368, 366634086, 394836708, 419010384, 427739767, 488845448, 526448944, 662306736, 733268172, 789673416, 855479534, 977690896, 1283219301, 1466536344, 1579346832, 1710959068, 2566438602, 2933072688, 3421918136, 5132877204, 6843836272, 10265754408, 20531508816]

約数ペア:

[(1, 20531508816), (2, 10265754408), (3, 6843836272), (4, 5132877204), (6, 3421918136), (7, 2933072688), (8, 2566438602), (12, 1710959068), (13, 1579346832), (14, 1466536344), (16, 1283219301), (21, 977690896), (24, 855479534), (26, 789673416), (28, 733268172), (31, 662306736), (39, 526448944), (42, 488845448), (48, 427739767), (49, 419010384), (52, 394836708), (56, 366634086), (62, 331153368), (78, 263224472), (84, 244422724), (91, 225620976), (93, 220768912), (98, 209505192), (104, 197418354), (112, 183317043), (124, 165576684), (147, 139670128), (156, 131612236), (168, 122211362), (182, 112810488), (186, 110384456), (196, 104752596), (208, 98709177), (217, 94615248), (248, 82788342), (273, 75206992), (294, 69835064), (312, 65806118), (336, 61105681), (364, 56405244), (372, 55192228), (392, 52376298), (403, 50946672), (434, 47307624), (496, 41394171), (546, 37603496), (588, 34917532), (624, 32903059), (637, 32231568), (651, 31538416), (728, 28202622), (744, 27596114), (784, 26188149), (806, 25473336), (868, 23653812), (1092, 18801748), (1176, 17458766), (1209, 16982224), (1274, 16115784), (1302, 15769208), (1456, 14101311), (1488, 13798057), (1519, 13516464), (1612, 12736668), (1736, 11826906), (1911, 10743856), (2184, 9400874), (2352, 8729383), (2418, 8491112), (2548, 8057892), (2604, 7884604), (2821, 7278096), (3038, 6758232), (3224, 6368334), (3472, 5913453), (3822, 5371928), (4368, 4700437), (4557, 4505488), (4836, 4245556), (5096, 4028946), (5208, 3942302), (5642, 3639048), (6076, 3379116), (6448, 3184167), (7644, 2685964), (8463, 2426032), (9114, 2252744), (9672, 2122778), (10192, 2014473), (10416, 1971151), (11284, 1819524), (12152, 1689558), (15288, 1342982), (16926, 1213016), (18228, 1126372), (19344, 1061389), (19747, 1039728), (21661, 947856), (22568, 909762), (24304, 844779), (30576, 671491), (33852, 606508), (36456, 563186), (39494, 519864), (43322, 473928), (45136, 454881), (59241, 346576), (64983, 315952), (67704, 303254), (72912, 281593), (78988, 259932), (86644, 236964), (118482, 173288), (129966, 157976), (135408, 151627)]