20888959810

素因数分解:

$2^1\times 5^1\times {\mathrm{4397}}^1\times {\mathrm{475073}}^1$

素因数の和:479477

約数の個数: 16

約数和(自身を含む): 37608758136

約数和(自身を除く): 16719798326

約数列:

[1, 2, 5, 10, 4397, 8794, 21985, 43970, 475073, 950146, 2375365, 4750730, 2088895981, 4177791962, 10444479905, 20888959810]

約数ペア:

[(1, 20888959810), (2, 10444479905), (5, 4177791962), (10, 2088895981), (4397, 4750730), (8794, 2375365), (21985, 950146), (43970, 475073)]