20420110

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{9157}}^1$

素因数の和:9387

約数の個数: 16

約数和(自身を含む): 36925056

約数和(自身を除く): 16504946

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 9157, 18314, 45785, 91570, 2042011, 4084022, 10210055, 20420110]

約数ペア:

[(1, 20420110), (2, 10210055), (5, 4084022), (10, 2042011), (223, 91570), (446, 45785), (1115, 18314), (2230, 9157)]