9450020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5309}}^1$

素因数の和:5407

約数の個数: 24

約数和(自身を含む): 20071800

約数和(自身を除く): 10621780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 5309, 10618, 21236, 26545, 53090, 106180, 472501, 945002, 1890004, 2362505, 4725010, 9450020]

約数ペア:

[(1, 9450020), (2, 4725010), (4, 2362505), (5, 1890004), (10, 945002), (20, 472501), (89, 106180), (178, 53090), (356, 26545), (445, 21236), (890, 10618), (1780, 5309)]