20380440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{169837}}^1$

素因数の和:169851

約数の個数: 32

約数和(自身を含む): 61141680

約数和(自身を除く): 40761240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 169837, 339674, 509511, 679348, 849185, 1019022, 1358696, 1698370, 2038044, 2547555, 3396740, 4076088, 5095110, 6793480, 10190220, 20380440]

約数ペア:

[(1, 20380440), (2, 10190220), (3, 6793480), (4, 5095110), (5, 4076088), (6, 3396740), (8, 2547555), (10, 2038044), (12, 1698370), (15, 1358696), (20, 1019022), (24, 849185), (30, 679348), (40, 509511), (60, 339674), (120, 169837)]