20403919874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1506269}}^1$

素因数の和:1506805

約数の個数: 16

約数和(自身を含む): 33023463480

約数和(自身を除く): 12619543606

約数列:

[1, 2, 13, 26, 521, 1042, 6773, 13546, 1506269, 3012538, 19581497, 39162994, 784766149, 1569532298, 10201959937, 20403919874]

約数ペア:

[(1, 20403919874), (2, 10201959937), (13, 1569532298), (26, 784766149), (521, 39162994), (1042, 19581497), (6773, 3012538), (13546, 1506269)]