202580020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113809}}^1$

素因数の和:113907

約数の個数: 24

約数和(自身を含む): 430201800

約数和(自身を除く): 227621780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 113809, 227618, 455236, 569045, 1138090, 2276180, 10129001, 20258002, 40516004, 50645005, 101290010, 202580020]

約数ペア:

[(1, 202580020), (2, 101290010), (4, 50645005), (5, 40516004), (10, 20258002), (20, 10129001), (89, 2276180), (178, 1138090), (356, 569045), (445, 455236), (890, 227618), (1780, 113809)]