2000620865

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{160757}}^1$

素因数の和:160912

約数の個数: 16

約数和(自身を含む): 2546406720

約数和(自身を除く): 545785855

約数列:

[1, 5, 19, 95, 131, 655, 2489, 12445, 160757, 803785, 3054383, 15271915, 21059167, 105295835, 400124173, 2000620865]

約数ペア:

[(1, 2000620865), (5, 400124173), (19, 105295835), (95, 21059167), (131, 15271915), (655, 3054383), (2489, 803785), (12445, 160757)]