20091533

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{839}}^1$

素因数の和:1168

約数の個数: 16

約数和(自身を含む): 25159680

約数和(自身を除く): 5068147

約数列:

[1, 7, 11, 77, 311, 839, 2177, 3421, 5873, 9229, 23947, 64603, 260929, 1826503, 2870219, 20091533]

約数ペア:

[(1, 20091533), (7, 2870219), (11, 1826503), (77, 260929), (311, 64603), (839, 23947), (2177, 9229), (3421, 5873)]