20459949

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{4861}}^1$

素因数の和:4948

約数の個数: 16

約数和(自身を含む): 28938624

約数和(自身を除く): 8478675

約数列:

[1, 3, 23, 61, 69, 183, 1403, 4209, 4861, 14583, 111803, 296521, 335409, 889563, 6819983, 20459949]

約数ペア:

[(1, 20459949), (3, 6819983), (23, 889563), (61, 335409), (69, 296521), (183, 111803), (1403, 14583), (4209, 4861)]