20574393

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{13421}}^1$

素因数の和:13504

約数の個数: 16

約数和(自身を含む): 31783296

約数和(自身を除く): 11208903

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 13421, 40263, 93947, 281841, 979733, 2939199, 6858131, 20574393]

約数ペア:

[(1, 20574393), (3, 6858131), (7, 2939199), (21, 979733), (73, 281841), (219, 93947), (511, 40263), (1533, 13421)]