17677820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1051}}^1$

素因数の和:1118

約数の個数: 36

約数和(自身を含む): 38484264

約数和(自身を除く): 20806444

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 841, 1051, 1682, 2102, 3364, 4204, 4205, 5255, 8410, 10510, 16820, 21020, 30479, 60958, 121916, 152395, 304790, 609580, 883891, 1767782, 3535564, 4419455, 8838910, 17677820]

約数ペア:

[(1, 17677820), (2, 8838910), (4, 4419455), (5, 3535564), (10, 1767782), (20, 883891), (29, 609580), (58, 304790), (116, 152395), (145, 121916), (290, 60958), (580, 30479), (841, 21020), (1051, 16820), (1682, 10510), (2102, 8410), (3364, 5255), (4204, 4205)]