20780051033

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{363841}}^1$

素因数の和:364088

約数の個数: 16

約数和(自身を含む): 24450182400

約数和(自身を除く): 3670131367

約数列:

[1, 7, 41, 199, 287, 1393, 8159, 57113, 363841, 2546887, 14917481, 72404359, 104422367, 506830513, 2968578719, 20780051033]

約数ペア:

[(1, 20780051033), (7, 2968578719), (41, 506830513), (199, 104422367), (287, 72404359), (1393, 14917481), (8159, 2546887), (57113, 363841)]