20161788856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{857}}^1\times {\mathrm{267341}}^1$

素因数の和:268215

約数の個数: 32

約数和(自身を含む): 41288298480

約数和(自身を除く): 21126509624

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 857, 1714, 3428, 6856, 9427, 18854, 37708, 75416, 267341, 534682, 1069364, 2138728, 2940751, 5881502, 11763004, 23526008, 229111237, 458222474, 916444948, 1832889896, 2520223607, 5040447214, 10080894428, 20161788856]

約数ペア:

[(1, 20161788856), (2, 10080894428), (4, 5040447214), (8, 2520223607), (11, 1832889896), (22, 916444948), (44, 458222474), (88, 229111237), (857, 23526008), (1714, 11763004), (3428, 5881502), (6856, 2940751), (9427, 2138728), (18854, 1069364), (37708, 534682), (75416, 267341)]