20960055

素因数分解:

$3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1061}}^1$

素因数の和:1511

約数の個数: 24

約数和(自身を含む): 36447840

約数和(自身を除く): 15487785

約数列:

[1, 3, 5, 9, 15, 45, 439, 1061, 1317, 2195, 3183, 3951, 5305, 6585, 9549, 15915, 19755, 47745, 465779, 1397337, 2328895, 4192011, 6986685, 20960055]

約数ペア:

[(1, 20960055), (3, 6986685), (5, 4192011), (9, 2328895), (15, 1397337), (45, 465779), (439, 47745), (1061, 19755), (1317, 15915), (2195, 9549), (3183, 6585), (3951, 5305)]