20379909

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{2441}}^1$

素因数の和:2489

約数の個数: 24

約数和(自身を含む): 31179456

約数和(自身を除く): 10799547

約数列:

[1, 3, 11, 23, 33, 69, 121, 253, 363, 759, 2441, 2783, 7323, 8349, 26851, 56143, 80553, 168429, 295361, 617573, 886083, 1852719, 6793303, 20379909]

約数ペア:

[(1, 20379909), (3, 6793303), (11, 1852719), (23, 886083), (33, 617573), (69, 295361), (121, 168429), (253, 80553), (363, 56143), (759, 26851), (2441, 8349), (2783, 7323)]