16420755

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{787}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 28594944

約数和(自身を除く): 12174189

約数列:

[1, 3, 5, 13, 15, 39, 65, 107, 195, 321, 535, 787, 1391, 1605, 2361, 3935, 4173, 6955, 10231, 11805, 20865, 30693, 51155, 84209, 153465, 252627, 421045, 1094717, 1263135, 3284151, 5473585, 16420755]

約数ペア:

[(1, 16420755), (3, 5473585), (5, 3284151), (13, 1263135), (15, 1094717), (39, 421045), (65, 252627), (107, 153465), (195, 84209), (321, 51155), (535, 30693), (787, 20865), (1391, 11805), (1605, 10231), (2361, 6955), (3935, 4173)]