20269508

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 43464960

約数和(自身を除く): 23195452

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 97, 119, 194, 238, 388, 439, 476, 679, 878, 1358, 1649, 1756, 2716, 3073, 3298, 6146, 6596, 7463, 11543, 12292, 14926, 23086, 29852, 42583, 46172, 52241, 85166, 104482, 170332, 208964, 298081, 596162, 723911, 1192324, 1447822, 2895644, 5067377, 10134754, 20269508]

約数ペア:

[(1, 20269508), (2, 10134754), (4, 5067377), (7, 2895644), (14, 1447822), (17, 1192324), (28, 723911), (34, 596162), (68, 298081), (97, 208964), (119, 170332), (194, 104482), (238, 85166), (388, 52241), (439, 46172), (476, 42583), (679, 29852), (878, 23086), (1358, 14926), (1649, 12292), (1756, 11543), (2716, 7463), (3073, 6596), (3298, 6146)]