20797007

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1657}}^1$

素因数の和:1838

約数の個数: 16

約数和(自身を含む): 26103552

約数和(自身を除く): 5306545

約数列:

[1, 7, 11, 77, 163, 1141, 1657, 1793, 11599, 12551, 18227, 127589, 270091, 1890637, 2971001, 20797007]

約数ペア:

[(1, 20797007), (7, 2971001), (11, 1890637), (77, 270091), (163, 127589), (1141, 18227), (1657, 12551), (1793, 11599)]