20835180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{115751}}^1$

素因数の和:115766

約数の個数: 36

約数和(自身を含む): 63200592

約数和(自身を除く): 42365412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 115751, 231502, 347253, 463004, 578755, 694506, 1041759, 1157510, 1389012, 1736265, 2083518, 2315020, 3472530, 4167036, 5208795, 6945060, 10417590, 20835180]

約数ペア:

[(1, 20835180), (2, 10417590), (3, 6945060), (4, 5208795), (5, 4167036), (6, 3472530), (9, 2315020), (10, 2083518), (12, 1736265), (15, 1389012), (18, 1157510), (20, 1041759), (30, 694506), (36, 578755), (45, 463004), (60, 347253), (90, 231502), (180, 115751)]