20161621216

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:465

約数の個数: 192

約数和(自身を含む): 45725492736

約数和(自身を除く): 25563871520

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 71, 73, 86, 88, 142, 146, 172, 176, 257, 284, 292, 344, 352, 473, 514, 568, 584, 688, 781, 803, 946, 1028, 1136, 1168, 1376, 1562, 1606, 1892, 2056, 2272, 2336, 2827, 3053, 3124, 3139, 3212, 3784, 4112, 5183, 5654, 6106, 6248, 6278, 6424, 7568, 8224, 10366, 11051, 11308, 12212, 12496, 12556, 12848, 15136, 18247, 18761, 20732, 22102, 22616, 24424, 24992, 25112, 25696, 33583, 34529, 36494, 37522, 41464, 44204, 45232, 48848, 50224, 57013, 67166, 69058, 72988, 75044, 82928, 88408, 90464, 97696, 100448, 114026, 121561, 134332, 138116, 145976, 150088, 165856, 176816, 200717, 206371, 222869, 228052, 243122, 268664, 276232, 291952, 300176, 353632, 401434, 412742, 445738, 456104, 486244, 537328, 552464, 583904, 600352, 784621, 802868, 806723, 825484, 891476, 912208, 972488, 1074656, 1104928, 1332031, 1569242, 1605736, 1613446, 1650968, 1782952, 1824416, 1944976, 2451559, 2664062, 3138484, 3211472, 3226892, 3301936, 3565904, 3889952, 4903118, 5328124, 6276968, 6422944, 6453784, 6603872, 7131808, 8630831, 8873953, 9806236, 10656248, 12553936, 12907568, 14652341, 17261662, 17747906, 19612472, 21312496, 25107872, 25815136, 29304682, 34523324, 35495812, 39224944, 42624992, 57277333, 58609364, 69046648, 70991624, 78449888, 114554666, 117218728, 138093296, 141983248, 229109332, 234437456, 276186592, 283966496, 458218664, 468874912, 630050663, 916437328, 1260101326, 1832874656, 2520202652, 5040405304, 10080810608, 20161621216]

約数ペア:

[(1, 20161621216), (2, 10080810608), (4, 5040405304), (8, 2520202652), (11, 1832874656), (16, 1260101326), (22, 916437328), (32, 630050663), (43, 468874912), (44, 458218664), (71, 283966496), (73, 276186592), (86, 234437456), (88, 229109332), (142, 141983248), (146, 138093296), (172, 117218728), (176, 114554666), (257, 78449888), (284, 70991624), (292, 69046648), (344, 58609364), (352, 57277333), (473, 42624992), (514, 39224944), (568, 35495812), (584, 34523324), (688, 29304682), (781, 25815136), (803, 25107872), (946, 21312496), (1028, 19612472), (1136, 17747906), (1168, 17261662), (1376, 14652341), (1562, 12907568), (1606, 12553936), (1892, 10656248), (2056, 9806236), (2272, 8873953), (2336, 8630831), (2827, 7131808), (3053, 6603872), (3124, 6453784), (3139, 6422944), (3212, 6276968), (3784, 5328124), (4112, 4903118), (5183, 3889952), (5654, 3565904), (6106, 3301936), (6248, 3226892), (6278, 3211472), (6424, 3138484), (7568, 2664062), (8224, 2451559), (10366, 1944976), (11051, 1824416), (11308, 1782952), (12212, 1650968), (12496, 1613446), (12556, 1605736), (12848, 1569242), (15136, 1332031), (18247, 1104928), (18761, 1074656), (20732, 972488), (22102, 912208), (22616, 891476), (24424, 825484), (24992, 806723), (25112, 802868), (25696, 784621), (33583, 600352), (34529, 583904), (36494, 552464), (37522, 537328), (41464, 486244), (44204, 456104), (45232, 445738), (48848, 412742), (50224, 401434), (57013, 353632), (67166, 300176), (69058, 291952), (72988, 276232), (75044, 268664), (82928, 243122), (88408, 228052), (90464, 222869), (97696, 206371), (100448, 200717), (114026, 176816), (121561, 165856), (134332, 150088), (138116, 145976)]