17816020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10009}}^1$

素因数の和:10107

約数の個数: 24

約数和(自身を含む): 37837800

約数和(自身を除く): 20021780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 10009, 20018, 40036, 50045, 100090, 200180, 890801, 1781602, 3563204, 4454005, 8908010, 17816020]

約数ペア:

[(1, 17816020), (2, 8908010), (4, 4454005), (5, 3563204), (10, 1781602), (20, 890801), (89, 200180), (178, 100090), (356, 50045), (445, 40036), (890, 20018), (1780, 10009)]