20640162

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{21911}}^1$

素因数の和:22073

約数の個数: 16

約数和(自身を含む): 41545152

約数和(自身を除く): 20904990

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 21911, 43822, 65733, 131466, 3440027, 6880054, 10320081, 20640162]

約数ペア:

[(1, 20640162), (2, 10320081), (3, 6880054), (6, 3440027), (157, 131466), (314, 65733), (471, 43822), (942, 21911)]