20384853

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 30729600

約数和(自身を除く): 10344747

約数列:

[1, 3, 17, 19, 51, 57, 109, 193, 323, 327, 579, 969, 1853, 2071, 3281, 3667, 5559, 6213, 9843, 11001, 21037, 35207, 62339, 63111, 105621, 187017, 357629, 399703, 1072887, 1199109, 6794951, 20384853]

約数ペア:

[(1, 20384853), (3, 6794951), (17, 1199109), (19, 1072887), (51, 399703), (57, 357629), (109, 187017), (193, 105621), (323, 63111), (327, 62339), (579, 35207), (969, 21037), (1853, 11001), (2071, 9843), (3281, 6213), (3667, 5559)]