68367820

素因数分解:

$2^2\times 5^1\times {\mathrm{1657}}^1\times {\mathrm{2063}}^1$

素因数の和:3729

約数の個数: 24

約数和(自身を含む): 143728704

約数和(自身を除く): 75360884

約数列:

[1, 2, 4, 5, 10, 20, 1657, 2063, 3314, 4126, 6628, 8252, 8285, 10315, 16570, 20630, 33140, 41260, 3418391, 6836782, 13673564, 17091955, 34183910, 68367820]

約数ペア:

[(1, 68367820), (2, 34183910), (4, 17091955), (5, 13673564), (10, 6836782), (20, 3418391), (1657, 41260), (2063, 33140), (3314, 20630), (4126, 16570), (6628, 10315), (8252, 8285)]