20904134

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{2137}}^1$

素因数の和:2279

約数の個数: 16

約数和(自身を含む): 32275248

約数和(自身を除く): 11371114

約数列:

[1, 2, 67, 73, 134, 146, 2137, 4274, 4891, 9782, 143179, 156001, 286358, 312002, 10452067, 20904134]

約数ペア:

[(1, 20904134), (2, 10452067), (67, 312002), (73, 286358), (134, 156001), (146, 143179), (2137, 9782), (4274, 4891)]