20504363

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 25920000

約数和(自身を除く): 5415637

約数列:

[1, 11, 17, 19, 29, 187, 199, 209, 319, 323, 493, 551, 2189, 3383, 3553, 3781, 5423, 5771, 6061, 9367, 37213, 41591, 63481, 64277, 98107, 103037, 109649, 707047, 1079177, 1206139, 1864033, 20504363]

約数ペア:

[(1, 20504363), (11, 1864033), (17, 1206139), (19, 1079177), (29, 707047), (187, 109649), (199, 103037), (209, 98107), (319, 64277), (323, 63481), (493, 41591), (551, 37213), (2189, 9367), (3383, 6061), (3553, 5771), (3781, 5423)]