20123157789

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{5413817}}^1$

素因数の和:5413889

約数の個数: 24

約数和(自身を含む): 33782224320

約数和(自身を除く): 13659066531

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 5413817, 16241451, 37896719, 48724353, 113690157, 319415203, 341070471, 958245609, 2235906421, 2874736827, 6707719263, 20123157789]

約数ペア:

[(1, 20123157789), (3, 6707719263), (7, 2874736827), (9, 2235906421), (21, 958245609), (59, 341070471), (63, 319415203), (177, 113690157), (413, 48724353), (531, 37896719), (1239, 16241451), (3717, 5413817)]