20994776

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1051}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 43174080

約数和(自身を除く): 22179304

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 227, 454, 908, 1051, 1816, 2102, 2497, 4204, 4994, 8408, 9988, 11561, 19976, 23122, 46244, 92488, 238577, 477154, 954308, 1908616, 2624347, 5248694, 10497388, 20994776]

約数ペア:

[(1, 20994776), (2, 10497388), (4, 5248694), (8, 2624347), (11, 1908616), (22, 954308), (44, 477154), (88, 238577), (227, 92488), (454, 46244), (908, 23122), (1051, 19976), (1816, 11561), (2102, 9988), (2497, 8408), (4204, 4994)]