20948630

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{91081}}^1$

素因数の和:91111

約数の個数: 16

約数和(自身を含む): 39347424

約数和(自身を除く): 18398794

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 91081, 182162, 455405, 910810, 2094863, 4189726, 10474315, 20948630]

約数ペア:

[(1, 20948630), (2, 10474315), (5, 4189726), (10, 2094863), (23, 910810), (46, 455405), (115, 182162), (230, 91081)]