20584840

素因数分解:

$2^3\times 5^1\times {\mathrm{514621}}^1$

素因数の和:514632

約数の個数: 16

約数和(自身を含む): 46315980

約数和(自身を除く): 25731140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 514621, 1029242, 2058484, 2573105, 4116968, 5146210, 10292420, 20584840]

約数ペア:

[(1, 20584840), (2, 10292420), (4, 5146210), (5, 4116968), (8, 2573105), (10, 2058484), (20, 1029242), (40, 514621)]