20284889072

素因数分解:

$2^4\times 7^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{4969}}^1$

素因数の和:5159

約数の個数: 120

約数和(自身を含む): 47211978240

約数和(自身を除く): 26927089168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 49, 56, 82, 98, 112, 127, 164, 196, 254, 287, 328, 392, 508, 574, 656, 784, 889, 1016, 1148, 1778, 2009, 2032, 2296, 3556, 4018, 4592, 4969, 5207, 6223, 7112, 8036, 9938, 10414, 12446, 14224, 16072, 19876, 20828, 24892, 32144, 34783, 36449, 39752, 41656, 49784, 69566, 72898, 79504, 83312, 99568, 139132, 145796, 203729, 243481, 255143, 278264, 291592, 407458, 486962, 510286, 556528, 583184, 631063, 814916, 973924, 1020572, 1262126, 1426103, 1629832, 1947848, 2041144, 2524252, 2852206, 3259664, 3895696, 4082288, 4417441, 5048504, 5704412, 8834882, 9982721, 10097008, 11408824, 17669764, 19965442, 22817648, 25873583, 30922087, 35339528, 39930884, 51747166, 61844174, 70679056, 79861768, 103494332, 123688348, 159723536, 181115081, 206988664, 247376696, 362230162, 413977328, 494753392, 724460324, 1267805567, 1448920648, 2535611134, 2897841296, 5071222268, 10142444536, 20284889072]

約数ペア:

[(1, 20284889072), (2, 10142444536), (4, 5071222268), (7, 2897841296), (8, 2535611134), (14, 1448920648), (16, 1267805567), (28, 724460324), (41, 494753392), (49, 413977328), (56, 362230162), (82, 247376696), (98, 206988664), (112, 181115081), (127, 159723536), (164, 123688348), (196, 103494332), (254, 79861768), (287, 70679056), (328, 61844174), (392, 51747166), (508, 39930884), (574, 35339528), (656, 30922087), (784, 25873583), (889, 22817648), (1016, 19965442), (1148, 17669764), (1778, 11408824), (2009, 10097008), (2032, 9982721), (2296, 8834882), (3556, 5704412), (4018, 5048504), (4592, 4417441), (4969, 4082288), (5207, 3895696), (6223, 3259664), (7112, 2852206), (8036, 2524252), (9938, 2041144), (10414, 1947848), (12446, 1629832), (14224, 1426103), (16072, 1262126), (19876, 1020572), (20828, 973924), (24892, 814916), (32144, 631063), (34783, 583184), (36449, 556528), (39752, 510286), (41656, 486962), (49784, 407458), (69566, 291592), (72898, 278264), (79504, 255143), (83312, 243481), (99568, 203729), (139132, 145796)]