20853297

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1823}}^1$

素因数の和:1901

約数の個数: 24

約数和(自身を含む): 31868928

約数和(自身を除く): 11015631

約数列:

[1, 3, 9, 31, 41, 93, 123, 279, 369, 1271, 1823, 3813, 5469, 11439, 16407, 56513, 74743, 169539, 224229, 508617, 672687, 2317033, 6951099, 20853297]

約数ペア:

[(1, 20853297), (3, 6951099), (9, 2317033), (31, 672687), (41, 508617), (93, 224229), (123, 169539), (279, 74743), (369, 56513), (1271, 16407), (1823, 11439), (3813, 5469)]