20553810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1373}}^1$

素因数の和:1882

約数の個数: 32

約数和(自身を含む): 49464000

約数和(自身を除く): 28910190

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 499, 998, 1373, 1497, 2495, 2746, 2994, 4119, 4990, 6865, 7485, 8238, 13730, 14970, 20595, 41190, 685127, 1370254, 2055381, 3425635, 4110762, 6851270, 10276905, 20553810]

約数ペア:

[(1, 20553810), (2, 10276905), (3, 6851270), (5, 4110762), (6, 3425635), (10, 2055381), (15, 1370254), (30, 685127), (499, 41190), (998, 20595), (1373, 14970), (1497, 13730), (2495, 8238), (2746, 7485), (2994, 6865), (4119, 4990)]