20496478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{10177}}^1$

素因数の和:10251

約数の個数: 16

約数和(自身を含む): 32976720

約数和(自身を除く): 12480242

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 10177, 20354, 193363, 386726, 539381, 1078762, 10248239, 20496478]

約数ペア:

[(1, 20496478), (2, 10248239), (19, 1078762), (38, 539381), (53, 386726), (106, 193363), (1007, 20354), (2014, 10177)]