20798084

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2089}}^1$

素因数の和:2243

約数の個数: 24

約数和(自身を含む): 38623200

約数和(自身を除く): 17825116

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 2089, 2489, 4178, 4978, 8356, 9956, 39691, 79382, 158764, 273659, 547318, 1094636, 5199521, 10399042, 20798084]

約数ペア:

[(1, 20798084), (2, 10399042), (4, 5199521), (19, 1094636), (38, 547318), (76, 273659), (131, 158764), (262, 79382), (524, 39691), (2089, 9956), (2489, 8356), (4178, 4978)]