20170667860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{724001}}^1$

素因数の和:724216

約数の個数: 48

約数和(自身を含む): 48652934400

約数和(自身を除く): 28482266540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 995, 1393, 1990, 2786, 3980, 5572, 6965, 13930, 27860, 724001, 1448002, 2896004, 3620005, 5068007, 7240010, 10136014, 14480020, 20272028, 25340035, 50680070, 101360140, 144076199, 288152398, 576304796, 720380995, 1008533393, 1440761990, 2017066786, 2881523980, 4034133572, 5042666965, 10085333930, 20170667860]

約数ペア:

[(1, 20170667860), (2, 10085333930), (4, 5042666965), (5, 4034133572), (7, 2881523980), (10, 2017066786), (14, 1440761990), (20, 1008533393), (28, 720380995), (35, 576304796), (70, 288152398), (140, 144076199), (199, 101360140), (398, 50680070), (796, 25340035), (995, 20272028), (1393, 14480020), (1990, 10136014), (2786, 7240010), (3980, 5068007), (5572, 3620005), (6965, 2896004), (13930, 1448002), (27860, 724001)]