20219016040

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4637389}}^1$

素因数の和:4637509

約数の個数: 32

約数和(自身を含む): 45910161000

約数和(自身を除く): 25691144960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 4637389, 9274778, 18549556, 23186945, 37099112, 46373890, 92747780, 185495560, 505475401, 1010950802, 2021901604, 2527377005, 4043803208, 5054754010, 10109508020, 20219016040]

約数ペア:

[(1, 20219016040), (2, 10109508020), (4, 5054754010), (5, 4043803208), (8, 2527377005), (10, 2021901604), (20, 1010950802), (40, 505475401), (109, 185495560), (218, 92747780), (436, 46373890), (545, 37099112), (872, 23186945), (1090, 18549556), (2180, 9274778), (4360, 4637389)]