20480386

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1\times {\mathrm{461}}^1$

素因数の和:789

約数の個数: 16

約数和(自身を含む): 31240440

約数和(自身を除く): 10760054

約数列:

[1, 2, 97, 194, 229, 458, 461, 922, 22213, 44426, 44717, 89434, 105569, 211138, 10240193, 20480386]

約数ペア:

[(1, 20480386), (2, 10240193), (97, 211138), (194, 105569), (229, 89434), (458, 44717), (461, 44426), (922, 22213)]