20768553

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6121}}^1$

素因数の和:6169

約数の個数: 24

約数和(自身を含む): 33426120

約数和(自身を除く): 12657567

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 6121, 18363, 55089, 79573, 177509, 238719, 532527, 716157, 1597581, 2307617, 6922851, 20768553]

約数ペア:

[(1, 20768553), (3, 6922851), (9, 2307617), (13, 1597581), (29, 716157), (39, 532527), (87, 238719), (117, 177509), (261, 79573), (377, 55089), (1131, 18363), (3393, 6121)]