20406099

素因数分解:

$3^1\times 7^4\times {\mathrm{2833}}^1$

素因数の和:2864

約数の個数: 20

約数和(自身を含む): 31752136

約数和(自身を除く): 11346037

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 2833, 7203, 8499, 19831, 59493, 138817, 416451, 971719, 2915157, 6802033, 20406099]

約数ペア:

[(1, 20406099), (3, 6802033), (7, 2915157), (21, 971719), (49, 416451), (147, 138817), (343, 59493), (1029, 19831), (2401, 8499), (2833, 7203)]