20557455316

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{57745661}}^1$

素因数の和:57745754

約数の個数: 12

約数和(自身を含む): 36379767060

約数和(自身を除く): 15822311744

約数列:

[1, 2, 4, 89, 178, 356, 57745661, 115491322, 230982644, 5139363829, 10278727658, 20557455316]

約数ペア:

[(1, 20557455316), (2, 10278727658), (4, 5139363829), (89, 230982644), (178, 115491322), (356, 57745661)]