20914124

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6173}}^1$

素因数の和:6206

約数の個数: 36

約数和(自身を含む): 45983952

約数和(自身を除く): 25069828

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 6173, 12346, 24692, 43211, 67903, 86422, 135806, 172844, 271612, 475321, 746933, 950642, 1493866, 1901284, 2987732, 5228531, 10457062, 20914124]

約数ペア:

[(1, 20914124), (2, 10457062), (4, 5228531), (7, 2987732), (11, 1901284), (14, 1493866), (22, 950642), (28, 746933), (44, 475321), (77, 271612), (121, 172844), (154, 135806), (242, 86422), (308, 67903), (484, 43211), (847, 24692), (1694, 12346), (3388, 6173)]