20993192

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1249}}^1$

素因数の和:1457

約数の個数: 32

約数和(自身を含む): 43200000

約数和(自身を除く): 22206808

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 191, 382, 764, 1249, 1528, 2101, 2498, 4202, 4996, 8404, 9992, 13739, 16808, 27478, 54956, 109912, 238559, 477118, 954236, 1908472, 2624149, 5248298, 10496596, 20993192]

約数ペア:

[(1, 20993192), (2, 10496596), (4, 5248298), (8, 2624149), (11, 1908472), (22, 954236), (44, 477118), (88, 238559), (191, 109912), (382, 54956), (764, 27478), (1249, 16808), (1528, 13739), (2101, 9992), (2498, 8404), (4202, 4996)]