20859256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{809}}^1$

素因数の和:1119

約数の個数: 32

約数和(自身を含む): 42865200

約数和(自身を除く): 22005944

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 293, 586, 809, 1172, 1618, 2344, 3223, 3236, 6446, 6472, 8899, 12892, 17798, 25784, 35596, 71192, 237037, 474074, 948148, 1896296, 2607407, 5214814, 10429628, 20859256]

約数ペア:

[(1, 20859256), (2, 10429628), (4, 5214814), (8, 2607407), (11, 1896296), (22, 948148), (44, 474074), (88, 237037), (293, 71192), (586, 35596), (809, 25784), (1172, 17798), (1618, 12892), (2344, 8899), (3223, 6472), (3236, 6446)]