20018910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1789}}^1$

素因数の和:2172

約数の個数: 32

約数和(自身を含む): 48201120

約数和(自身を除く): 28182210

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 373, 746, 1119, 1789, 1865, 2238, 3578, 3730, 5367, 5595, 8945, 10734, 11190, 17890, 26835, 53670, 667297, 1334594, 2001891, 3336485, 4003782, 6672970, 10009455, 20018910]

約数ペア:

[(1, 20018910), (2, 10009455), (3, 6672970), (5, 4003782), (6, 3336485), (10, 2001891), (15, 1334594), (30, 667297), (373, 53670), (746, 26835), (1119, 17890), (1789, 11190), (1865, 10734), (2238, 8945), (3578, 5595), (3730, 5367)]