20927474

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{10391}}^1$

素因数の和:10465

約数の個数: 16

約数和(自身を含む): 33670080

約数和(自身を除く): 12742606

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 10391, 20782, 197429, 394858, 550723, 1101446, 10463737, 20927474]

約数ペア:

[(1, 20927474), (2, 10463737), (19, 1101446), (38, 550723), (53, 394858), (106, 197429), (1007, 20782), (2014, 10391)]