20124881504

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1\times {\mathrm{617}}^1$

素因数の和:1157

約数の個数: 192

約数和(自身を含む): 51071440896

約数和(自身を除く): 30946559392

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 32, 46, 52, 56, 91, 92, 104, 112, 161, 182, 184, 208, 224, 299, 322, 364, 368, 416, 487, 598, 617, 644, 728, 736, 974, 1196, 1234, 1288, 1456, 1948, 2093, 2392, 2468, 2576, 2912, 3409, 3896, 4186, 4319, 4784, 4936, 5152, 6331, 6818, 7792, 8021, 8372, 8638, 9568, 9872, 11201, 12662, 13636, 14191, 15584, 16042, 16744, 17276, 19744, 22402, 25324, 27272, 28382, 32084, 33488, 34552, 44317, 44804, 50648, 54544, 56147, 56764, 64168, 66976, 69104, 78407, 88634, 89608, 99337, 101296, 109088, 112294, 113528, 128336, 138208, 145613, 156814, 177268, 179216, 184483, 198674, 202592, 224588, 227056, 256672, 291226, 300479, 313628, 354536, 358432, 368966, 397348, 449176, 454112, 582452, 600958, 627256, 709072, 737932, 794696, 898352, 1019291, 1164904, 1201916, 1254512, 1291381, 1418144, 1475864, 1589392, 1796704, 2038582, 2103353, 2329808, 2403832, 2509024, 2582762, 2951728, 3178784, 3906227, 4077164, 4206706, 4659616, 4807664, 5165524, 5903456, 6911017, 7812454, 8154328, 8413412, 9615328, 10331048, 13822034, 15624908, 16308656, 16826824, 20662096, 27343589, 27644068, 31249816, 32617312, 33653648, 41324192, 48377119, 54687178, 55288136, 62499632, 67307296, 89843221, 96754238, 109374356, 110576272, 124999264, 179686442, 193508476, 218748712, 221152544, 359372884, 387016952, 437497424, 628902547, 718745768, 774033904, 874994848, 1257805094, 1437491536, 1548067808, 2515610188, 2874983072, 5031220376, 10062440752, 20124881504]

約数ペア:

[(1, 20124881504), (2, 10062440752), (4, 5031220376), (7, 2874983072), (8, 2515610188), (13, 1548067808), (14, 1437491536), (16, 1257805094), (23, 874994848), (26, 774033904), (28, 718745768), (32, 628902547), (46, 437497424), (52, 387016952), (56, 359372884), (91, 221152544), (92, 218748712), (104, 193508476), (112, 179686442), (161, 124999264), (182, 110576272), (184, 109374356), (208, 96754238), (224, 89843221), (299, 67307296), (322, 62499632), (364, 55288136), (368, 54687178), (416, 48377119), (487, 41324192), (598, 33653648), (617, 32617312), (644, 31249816), (728, 27644068), (736, 27343589), (974, 20662096), (1196, 16826824), (1234, 16308656), (1288, 15624908), (1456, 13822034), (1948, 10331048), (2093, 9615328), (2392, 8413412), (2468, 8154328), (2576, 7812454), (2912, 6911017), (3409, 5903456), (3896, 5165524), (4186, 4807664), (4319, 4659616), (4784, 4206706), (4936, 4077164), (5152, 3906227), (6331, 3178784), (6818, 2951728), (7792, 2582762), (8021, 2509024), (8372, 2403832), (8638, 2329808), (9568, 2103353), (9872, 2038582), (11201, 1796704), (12662, 1589392), (13636, 1475864), (14191, 1418144), (15584, 1291381), (16042, 1254512), (16744, 1201916), (17276, 1164904), (19744, 1019291), (22402, 898352), (25324, 794696), (27272, 737932), (28382, 709072), (32084, 627256), (33488, 600958), (34552, 582452), (44317, 454112), (44804, 449176), (50648, 397348), (54544, 368966), (56147, 358432), (56764, 354536), (64168, 313628), (66976, 300479), (69104, 291226), (78407, 256672), (88634, 227056), (89608, 224588), (99337, 202592), (101296, 198674), (109088, 184483), (112294, 179216), (113528, 177268), (128336, 156814), (138208, 145613)]