20194687912

素因数分解:

$2^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1392353}}^1$

素因数の和:1392410

約数の個数: 48

約数和(自身を含む): 45237581460

約数和(自身を除く): 25042893548

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 49, 56, 74, 98, 148, 196, 259, 296, 392, 518, 1036, 1813, 2072, 3626, 7252, 14504, 1392353, 2784706, 5569412, 9746471, 11138824, 19492942, 38985884, 51517061, 68225297, 77971768, 103034122, 136450594, 206068244, 272901188, 360619427, 412136488, 545802376, 721238854, 1442477708, 2524335989, 2884955416, 5048671978, 10097343956, 20194687912]

約数ペア:

[(1, 20194687912), (2, 10097343956), (4, 5048671978), (7, 2884955416), (8, 2524335989), (14, 1442477708), (28, 721238854), (37, 545802376), (49, 412136488), (56, 360619427), (74, 272901188), (98, 206068244), (148, 136450594), (196, 103034122), (259, 77971768), (296, 68225297), (392, 51517061), (518, 38985884), (1036, 19492942), (1813, 11138824), (2072, 9746471), (3626, 5569412), (7252, 2784706), (14504, 1392353)]