20199751888

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{479}}^1\times {\mathrm{25589}}^1$

素因数の和:26179

約数の個数: 40

約数和(自身を含む): 39601036800

約数和(自身を除く): 19401284912

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 479, 824, 958, 1648, 1916, 3832, 7664, 25589, 49337, 51178, 98674, 102356, 197348, 204712, 394696, 409424, 789392, 2635667, 5271334, 10542668, 12257131, 21085336, 24514262, 42170672, 49028524, 98057048, 196114096, 1262484493, 2524968986, 5049937972, 10099875944, 20199751888]

約数ペア:

[(1, 20199751888), (2, 10099875944), (4, 5049937972), (8, 2524968986), (16, 1262484493), (103, 196114096), (206, 98057048), (412, 49028524), (479, 42170672), (824, 24514262), (958, 21085336), (1648, 12257131), (1916, 10542668), (3832, 5271334), (7664, 2635667), (25589, 789392), (49337, 409424), (51178, 394696), (98674, 204712), (102356, 197348)]