20199702565

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9461219}}^1$

素因数の和:9461292

約数の個数: 16

約数和(自身を含む): 28156590720

約数和(自身を除く): 7956888155

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 9461219, 47306095, 66228533, 331142665, 577134359, 2885671795, 4039940513, 20199702565]

約数ペア:

[(1, 20199702565), (5, 4039940513), (7, 2885671795), (35, 577134359), (61, 331142665), (305, 66228533), (427, 47306095), (2135, 9461219)]