20353599720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56537777}}^1$

素因数の和:56537794

約数の個数: 48

約数和(自身を含む): 66149200260

約数和(自身を除く): 45795600540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56537777, 113075554, 169613331, 226151108, 282688885, 339226662, 452302216, 508839993, 565377770, 678453324, 848066655, 1017679986, 1130755540, 1356906648, 1696133310, 2035359972, 2261511080, 2544199965, 3392266620, 4070719944, 5088399930, 6784533240, 10176799860, 20353599720]

約数ペア:

[(1, 20353599720), (2, 10176799860), (3, 6784533240), (4, 5088399930), (5, 4070719944), (6, 3392266620), (8, 2544199965), (9, 2261511080), (10, 2035359972), (12, 1696133310), (15, 1356906648), (18, 1130755540), (20, 1017679986), (24, 848066655), (30, 678453324), (36, 565377770), (40, 508839993), (45, 452302216), (60, 339226662), (72, 282688885), (90, 226151108), (120, 169613331), (180, 113075554), (360, 56537777)]