16720484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1801}}^1$

素因数の和:2027

約数の個数: 24

約数和(自身を含む): 32090016

約数和(自身を除く): 15369532

約数列:

[1, 2, 4, 11, 22, 44, 211, 422, 844, 1801, 2321, 3602, 4642, 7204, 9284, 19811, 39622, 79244, 380011, 760022, 1520044, 4180121, 8360242, 16720484]

約数ペア:

[(1, 16720484), (2, 8360242), (4, 4180121), (11, 1520044), (22, 760022), (44, 380011), (211, 79244), (422, 39622), (844, 19811), (1801, 9284), (2321, 7204), (3602, 4642)]