20091016672

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{1361}}^1$

素因数の和:2072

約数の個数: 96

約数和(自身を含む): 42702557184

約数和(自身を除く): 22611540512

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 92, 124, 184, 248, 368, 496, 647, 713, 736, 992, 1294, 1361, 1426, 2588, 2722, 2852, 5176, 5444, 5704, 10352, 10888, 11408, 14881, 20057, 20704, 21776, 22816, 29762, 31303, 40114, 42191, 43552, 59524, 62606, 80228, 84382, 119048, 125212, 160456, 168764, 238096, 250424, 320912, 337528, 461311, 476192, 500848, 641824, 675056, 880567, 922622, 970393, 1001696, 1350112, 1761134, 1845244, 1940786, 3522268, 3690488, 3881572, 7044536, 7380976, 7763144, 14089072, 14761952, 15526288, 20253041, 27297577, 28178144, 31052576, 40506082, 54595154, 81012164, 109190308, 162024328, 218380616, 324048656, 436761232, 627844271, 648097312, 873522464, 1255688542, 2511377084, 5022754168, 10045508336, 20091016672]

約数ペア:

[(1, 20091016672), (2, 10045508336), (4, 5022754168), (8, 2511377084), (16, 1255688542), (23, 873522464), (31, 648097312), (32, 627844271), (46, 436761232), (62, 324048656), (92, 218380616), (124, 162024328), (184, 109190308), (248, 81012164), (368, 54595154), (496, 40506082), (647, 31052576), (713, 28178144), (736, 27297577), (992, 20253041), (1294, 15526288), (1361, 14761952), (1426, 14089072), (2588, 7763144), (2722, 7380976), (2852, 7044536), (5176, 3881572), (5444, 3690488), (5704, 3522268), (10352, 1940786), (10888, 1845244), (11408, 1761134), (14881, 1350112), (20057, 1001696), (20704, 970393), (21776, 922622), (22816, 880567), (29762, 675056), (31303, 641824), (40114, 500848), (42191, 476192), (43552, 461311), (59524, 337528), (62606, 320912), (80228, 250424), (84382, 238096), (119048, 168764), (125212, 160456)]