20808400863

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1850129}}^1$

素因数の和:1850318

約数の個数: 16

約数和(自身を含む): 29128446720

約数和(自身を除く): 8320045857

約数列:

[1, 3, 23, 69, 163, 489, 3749, 11247, 1850129, 5550387, 42552967, 127658901, 301571027, 904713081, 6936133621, 20808400863]

約数ペア:

[(1, 20808400863), (3, 6936133621), (23, 904713081), (69, 301571027), (163, 127658901), (489, 42552967), (3749, 5550387), (11247, 1850129)]