20804973130

素因数分解:

$2^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3643603}}^1$

素因数の和:3644181

約数の個数: 16

約数和(自身を含む): 37514546784

約数和(自身を除く): 16709573654

約数列:

[1, 2, 5, 10, 571, 1142, 2855, 5710, 3643603, 7287206, 18218015, 36436030, 2080497313, 4160994626, 10402486565, 20804973130]

約数ペア:

[(1, 20804973130), (2, 10402486565), (5, 4160994626), (10, 2080497313), (571, 36436030), (1142, 18218015), (2855, 7287206), (5710, 3643603)]