20716451

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1$

素因数の和:722

約数の個数: 16

約数和(自身を含む): 24380928

約数和(自身を除く): 3664477

約数列:

[1, 7, 71, 73, 497, 511, 571, 3997, 5183, 36281, 40541, 41683, 283787, 291781, 2959493, 20716451]

約数ペア:

[(1, 20716451), (7, 2959493), (71, 291781), (73, 283787), (497, 41683), (511, 40541), (571, 36281), (3997, 5183)]