20881382

素因数分解:

$2^1\times {\mathrm{41}}^2\times {\mathrm{6211}}^1$

素因数の和:6295

約数の個数: 12

約数和(自身を含む): 32109828

約数和(自身を除く): 11228446

約数列:

[1, 2, 41, 82, 1681, 3362, 6211, 12422, 254651, 509302, 10440691, 20881382]

約数ペア:

[(1, 20881382), (2, 10440691), (41, 509302), (82, 254651), (1681, 12422), (3362, 6211)]