220171216

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{809453}}^1$

素因数の和:809478

約数の個数: 20

約数和(自身を含む): 451675332

約数和(自身を除く): 231504116

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 809453, 1618906, 3237812, 6475624, 12951248, 13760701, 27521402, 55042804, 110085608, 220171216]

約数ペア:

[(1, 220171216), (2, 110085608), (4, 55042804), (8, 27521402), (16, 13760701), (17, 12951248), (34, 6475624), (68, 3237812), (136, 1618906), (272, 809453)]