20199771109

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{1721}}^1\times {\mathrm{15383}}^1$

素因数の和:17220

約数の個数: 16

約数和(自身を含む): 23312298240

約数和(自身を除く): 3112527131

約数列:

[1, 7, 109, 763, 1721, 12047, 15383, 107681, 187589, 1313123, 1676747, 11737229, 26474143, 185319001, 2885681587, 20199771109]

約数ペア:

[(1, 20199771109), (7, 2885681587), (109, 185319001), (763, 26474143), (1721, 11737229), (12047, 1676747), (15383, 1313123), (107681, 187589)]