20561012976

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{607}}^1\times {\mathrm{1381}}^1$

素因数の和:2079

約数の個数: 160

約数和(自身を含む): 61681512448

約数和(自身を除く): 41120499472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 73, 84, 112, 146, 168, 219, 292, 336, 438, 511, 584, 607, 876, 1022, 1168, 1214, 1381, 1533, 1752, 1821, 2044, 2428, 2762, 3066, 3504, 3642, 4088, 4143, 4249, 4856, 5524, 6132, 7284, 8176, 8286, 8498, 9667, 9712, 11048, 12264, 12747, 14568, 16572, 16996, 19334, 22096, 24528, 25494, 29001, 29136, 33144, 33992, 38668, 44311, 50988, 58002, 66288, 67984, 77336, 88622, 100813, 101976, 116004, 132933, 154672, 177244, 201626, 203952, 232008, 265866, 302439, 310177, 354488, 403252, 464016, 531732, 604878, 620354, 705691, 708976, 806504, 838267, 930531, 1063464, 1209756, 1240708, 1411382, 1613008, 1676534, 1861062, 2117073, 2126928, 2419512, 2481416, 2514801, 2822764, 3353068, 3722124, 4234146, 4839024, 4962832, 5029602, 5645528, 5867869, 6706136, 7444248, 8468292, 10059204, 11291056, 11735738, 13412272, 14888496, 16936584, 17603607, 20118408, 23471476, 33873168, 35207214, 40236816, 46942952, 61193491, 70414428, 93885904, 122386982, 140828856, 183580473, 244773964, 281657712, 367160946, 428354437, 489547928, 734321892, 856708874, 979095856, 1285063311, 1468643784, 1713417748, 2570126622, 2937287568, 3426835496, 5140253244, 6853670992, 10280506488, 20561012976]

約数ペア:

[(1, 20561012976), (2, 10280506488), (3, 6853670992), (4, 5140253244), (6, 3426835496), (7, 2937287568), (8, 2570126622), (12, 1713417748), (14, 1468643784), (16, 1285063311), (21, 979095856), (24, 856708874), (28, 734321892), (42, 489547928), (48, 428354437), (56, 367160946), (73, 281657712), (84, 244773964), (112, 183580473), (146, 140828856), (168, 122386982), (219, 93885904), (292, 70414428), (336, 61193491), (438, 46942952), (511, 40236816), (584, 35207214), (607, 33873168), (876, 23471476), (1022, 20118408), (1168, 17603607), (1214, 16936584), (1381, 14888496), (1533, 13412272), (1752, 11735738), (1821, 11291056), (2044, 10059204), (2428, 8468292), (2762, 7444248), (3066, 6706136), (3504, 5867869), (3642, 5645528), (4088, 5029602), (4143, 4962832), (4249, 4839024), (4856, 4234146), (5524, 3722124), (6132, 3353068), (7284, 2822764), (8176, 2514801), (8286, 2481416), (8498, 2419512), (9667, 2126928), (9712, 2117073), (11048, 1861062), (12264, 1676534), (12747, 1613008), (14568, 1411382), (16572, 1240708), (16996, 1209756), (19334, 1063464), (22096, 930531), (24528, 838267), (25494, 806504), (29001, 708976), (29136, 705691), (33144, 620354), (33992, 604878), (38668, 531732), (44311, 464016), (50988, 403252), (58002, 354488), (66288, 310177), (67984, 302439), (77336, 265866), (88622, 232008), (100813, 203952), (101976, 201626), (116004, 177244), (132933, 154672)]