20518710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{683957}}^1$

素因数の和:683967

約数の個数: 16

約数和(自身を含む): 49244976

約数和(自身を除く): 28726266

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 683957, 1367914, 2051871, 3419785, 4103742, 6839570, 10259355, 20518710]

約数ペア:

[(1, 20518710), (2, 10259355), (3, 6839570), (5, 4103742), (6, 3419785), (10, 2051871), (15, 1367914), (30, 683957)]