20849853

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1\times {\mathrm{503}}^1$

素因数の和:884

約数の個数: 16

約数和(自身を含む): 28619136

約数和(自身を除く): 7769283

約数列:

[1, 3, 41, 123, 337, 503, 1011, 1509, 13817, 20623, 41451, 61869, 169511, 508533, 6949951, 20849853]

約数ペア:

[(1, 20849853), (3, 6949951), (41, 508533), (123, 169511), (337, 61869), (503, 41451), (1011, 20623), (1509, 13817)]