20257486585

素因数分解:

$5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1\times {\mathrm{11317}}^1$

素因数の和:11785

約数の個数: 32

約数和(自身を含む): 28032422400

約数和(自身を除く): 7774935815

約数列:

[1, 5, 7, 35, 199, 257, 995, 1285, 1393, 1799, 6965, 8995, 11317, 51143, 56585, 79219, 255715, 358001, 396095, 1790005, 2252083, 2908469, 11260415, 14542345, 15764581, 20359283, 78822905, 101796415, 578785331, 2893926655, 4051497317, 20257486585]

約数ペア:

[(1, 20257486585), (5, 4051497317), (7, 2893926655), (35, 578785331), (199, 101796415), (257, 78822905), (995, 20359283), (1285, 15764581), (1393, 14542345), (1799, 11260415), (6965, 2908469), (8995, 2252083), (11317, 1790005), (51143, 396095), (56585, 358001), (79219, 255715)]