20189664230

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25556537}}^1$

素因数の和:25556623

約数の個数: 16

約数和(自身を含む): 36801414720

約数和(自身を除く): 16611750490

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 25556537, 51113074, 127782685, 255565370, 2018966423, 4037932846, 10094832115, 20189664230]

約数ペア:

[(1, 20189664230), (2, 10094832115), (5, 4037932846), (10, 2018966423), (79, 255565370), (158, 127782685), (395, 51113074), (790, 25556537)]