20199965020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9266039}}^1$

素因数の和:9266157

約数の個数: 24

約数和(自身を含む): 42809104800

約数和(自身を除く): 22609139780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 9266039, 18532078, 37064156, 46330195, 92660390, 185320780, 1009998251, 2019996502, 4039993004, 5049991255, 10099982510, 20199965020]

約数ペア:

[(1, 20199965020), (2, 10099982510), (4, 5049991255), (5, 4039993004), (10, 2019996502), (20, 1009998251), (109, 185320780), (218, 92660390), (436, 46330195), (545, 37064156), (1090, 18532078), (2180, 9266039)]