20201472081

素因数分解:

$3^2\times 7^1\times {\mathrm{320658287}}^1$

素因数の和:320658300

約数の個数: 12

約数和(自身を含む): 33348461952

約数和(自身を除く): 13146989871

約数列:

[1, 3, 7, 9, 21, 63, 320658287, 961974861, 2244608009, 2885924583, 6733824027, 20201472081]

約数ペア:

[(1, 20201472081), (3, 6733824027), (7, 2885924583), (9, 2244608009), (21, 961974861), (63, 320658287)]