20624084

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{30509}}^1$

素因数の和:30539

約数の個数: 18

約数和(自身を含む): 39083310

約数和(自身を除く): 18459226

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 30509, 61018, 122036, 396617, 793234, 1586468, 5156021, 10312042, 20624084]

約数ペア:

[(1, 20624084), (2, 10312042), (4, 5156021), (13, 1586468), (26, 793234), (52, 396617), (169, 122036), (338, 61018), (676, 30509)]