20163883768

素因数分解:

$2^3\times 7^2\times {\mathrm{139}}^1\times {\mathrm{370061}}^1$

素因数の和:370220

約数の個数: 48

約数和(自身を含む): 44296421400

約数和(自身を除く): 24132537632

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 139, 196, 278, 392, 556, 973, 1112, 1946, 3892, 6811, 7784, 13622, 27244, 54488, 370061, 740122, 1480244, 2590427, 2960488, 5180854, 10361708, 18132989, 20723416, 36265978, 51438479, 72531956, 102876958, 145063912, 205753916, 360069353, 411507832, 720138706, 1440277412, 2520485471, 2880554824, 5040970942, 10081941884, 20163883768]

約数ペア:

[(1, 20163883768), (2, 10081941884), (4, 5040970942), (7, 2880554824), (8, 2520485471), (14, 1440277412), (28, 720138706), (49, 411507832), (56, 360069353), (98, 205753916), (139, 145063912), (196, 102876958), (278, 72531956), (392, 51438479), (556, 36265978), (973, 20723416), (1112, 18132989), (1946, 10361708), (3892, 5180854), (6811, 2960488), (7784, 2590427), (13622, 1480244), (27244, 740122), (54488, 370061)]