20278300924

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{1823}}^1$

素因数の和:1992

約数の個数: 144

約数和(自身を含む): 45413222400

約数和(自身を除く): 25134921476

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 49, 58, 76, 98, 103, 116, 133, 196, 203, 206, 266, 406, 412, 532, 551, 721, 812, 931, 1102, 1421, 1442, 1823, 1862, 1957, 2204, 2842, 2884, 2987, 3646, 3724, 3857, 3914, 5047, 5684, 5974, 7292, 7714, 7828, 10094, 11948, 12761, 13699, 15428, 20188, 20909, 25522, 26999, 27398, 34637, 41818, 51044, 52867, 53998, 54796, 56753, 69274, 83636, 89327, 95893, 105734, 107996, 113506, 138548, 146363, 178654, 187769, 191786, 211468, 227012, 242459, 292726, 357308, 370069, 375538, 383572, 397271, 484918, 585452, 740138, 751076, 794542, 969836, 1004473, 1314383, 1480276, 1589084, 1697213, 2008946, 2590483, 2628766, 2780897, 3394426, 3567611, 4017892, 5180966, 5257532, 5445301, 5561794, 6788852, 7031311, 7135222, 9200681, 10361932, 10890602, 11123588, 14062622, 14270444, 18401362, 21781204, 24973277, 28125244, 36802724, 38117107, 49219177, 49946554, 76234214, 98438354, 99893108, 103460719, 152468428, 174812939, 196876708, 206921438, 266819749, 349625878, 413842876, 533639498, 699251756, 724225033, 1067278996, 1448450066, 2896900132, 5069575231, 10139150462, 20278300924]

約数ペア:

[(1, 20278300924), (2, 10139150462), (4, 5069575231), (7, 2896900132), (14, 1448450066), (19, 1067278996), (28, 724225033), (29, 699251756), (38, 533639498), (49, 413842876), (58, 349625878), (76, 266819749), (98, 206921438), (103, 196876708), (116, 174812939), (133, 152468428), (196, 103460719), (203, 99893108), (206, 98438354), (266, 76234214), (406, 49946554), (412, 49219177), (532, 38117107), (551, 36802724), (721, 28125244), (812, 24973277), (931, 21781204), (1102, 18401362), (1421, 14270444), (1442, 14062622), (1823, 11123588), (1862, 10890602), (1957, 10361932), (2204, 9200681), (2842, 7135222), (2884, 7031311), (2987, 6788852), (3646, 5561794), (3724, 5445301), (3857, 5257532), (3914, 5180966), (5047, 4017892), (5684, 3567611), (5974, 3394426), (7292, 2780897), (7714, 2628766), (7828, 2590483), (10094, 2008946), (11948, 1697213), (12761, 1589084), (13699, 1480276), (15428, 1314383), (20188, 1004473), (20909, 969836), (25522, 794542), (26999, 751076), (27398, 740138), (34637, 585452), (41818, 484918), (51044, 397271), (52867, 383572), (53998, 375538), (54796, 370069), (56753, 357308), (69274, 292726), (83636, 242459), (89327, 227012), (95893, 211468), (105734, 191786), (107996, 187769), (113506, 178654), (138548, 146363)]