20103165

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8429}}^1$

素因数の和:8493

約数の個数: 24

約数和(自身を含む): 35507160

約数和(自身を除く): 15403995

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 8429, 25287, 42145, 75861, 126435, 379305, 446737, 1340211, 2233685, 4020633, 6701055, 20103165]

約数ペア:

[(1, 20103165), (3, 6701055), (5, 4020633), (9, 2233685), (15, 1340211), (45, 446737), (53, 379305), (159, 126435), (265, 75861), (477, 42145), (795, 25287), (2385, 8429)]