39216020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17989}}^1$

素因数の和:18107

約数の個数: 24

約数和(自身を含む): 83113800

約数和(自身を除く): 43897780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 17989, 35978, 71956, 89945, 179890, 359780, 1960801, 3921602, 7843204, 9804005, 19608010, 39216020]

約数ペア:

[(1, 39216020), (2, 19608010), (4, 9804005), (5, 7843204), (10, 3921602), (20, 1960801), (109, 359780), (218, 179890), (436, 89945), (545, 71956), (1090, 35978), (2180, 17989)]