20984145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15373}}^1$

素因数の和:15401

約数の個数: 32

約数和(自身を含む): 41325312

約数和(自身を除く): 20341167

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 15373, 46119, 76865, 107611, 199849, 230595, 322833, 538055, 599547, 999245, 1398943, 1614165, 2997735, 4196829, 6994715, 20984145]

約数ペア:

[(1, 20984145), (3, 6994715), (5, 4196829), (7, 2997735), (13, 1614165), (15, 1398943), (21, 999245), (35, 599547), (39, 538055), (65, 322833), (91, 230595), (105, 199849), (195, 107611), (273, 76865), (455, 46119), (1365, 15373)]