20812053

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1721}}^1$

素因数の和:1892

約数の個数: 16

約数和(自身を含む): 28929600

約数和(自身を除く): 8117547

約数列:

[1, 3, 29, 87, 139, 417, 1721, 4031, 5163, 12093, 49909, 149727, 239219, 717657, 6937351, 20812053]

約数ペア:

[(1, 20812053), (3, 6937351), (29, 717657), (87, 239219), (139, 149727), (417, 49909), (1721, 12093), (4031, 5163)]