20731098531

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2543381}}^1$

素因数の和:2543427

約数の個数: 32

約数和(自身を含む): 34183054080

約数和(自身を除く): 13451955549

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2717, 8151, 2543381, 7630143, 27977191, 33063953, 48324239, 83931573, 99191859, 144972717, 363703483, 531566629, 628215107, 1091110449, 1594699887, 1884645321, 6910366177, 20731098531]

約数ペア:

[(1, 20731098531), (3, 6910366177), (11, 1884645321), (13, 1594699887), (19, 1091110449), (33, 628215107), (39, 531566629), (57, 363703483), (143, 144972717), (209, 99191859), (247, 83931573), (429, 48324239), (627, 33063953), (741, 27977191), (2717, 7630143), (8151, 2543381)]