171517820

素因数分解:

$2^2\times 5^1\times {\mathrm{2063}}^1\times {\mathrm{4157}}^1$

素因数の和:6229

約数の個数: 24

約数和(自身を含む): 360448704

約数和(自身を除く): 188930884

約数列:

[1, 2, 4, 5, 10, 20, 2063, 4126, 4157, 8252, 8314, 10315, 16628, 20630, 20785, 41260, 41570, 83140, 8575891, 17151782, 34303564, 42879455, 85758910, 171517820]

約数ペア:

[(1, 171517820), (2, 85758910), (4, 42879455), (5, 34303564), (10, 17151782), (20, 8575891), (2063, 83140), (4126, 41570), (4157, 41260), (8252, 20785), (8314, 20630), (10315, 16628)]