16820710

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{3797}}^1$

素因数の和:4247

約数の個数: 16

約数和(自身を含む): 30353616

約数和(自身を除く): 13532906

約数列:

[1, 2, 5, 10, 443, 886, 2215, 3797, 4430, 7594, 18985, 37970, 1682071, 3364142, 8410355, 16820710]

約数ペア:

[(1, 16820710), (2, 8410355), (5, 3364142), (10, 1682071), (443, 37970), (886, 18985), (2215, 7594), (3797, 4430)]