20471956

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2903}}^1$

素因数の和:2991

約数の個数: 24

約数和(自身を含む): 37566144

約数和(自身を除く): 17094188

約数列:

[1, 2, 4, 41, 43, 82, 86, 164, 172, 1763, 2903, 3526, 5806, 7052, 11612, 119023, 124829, 238046, 249658, 476092, 499316, 5117989, 10235978, 20471956]

約数ペア:

[(1, 20471956), (2, 10235978), (4, 5117989), (41, 499316), (43, 476092), (82, 249658), (86, 238046), (164, 124829), (172, 119023), (1763, 11612), (2903, 7052), (3526, 5806)]