20999103

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{4091}}^1$

素因数の和:4182

約数の個数: 16

約数和(自身を含む): 29462400

約数和(自身を除く): 8463297

約数列:

[1, 3, 29, 59, 87, 177, 1711, 4091, 5133, 12273, 118639, 241369, 355917, 724107, 6999701, 20999103]

約数ペア:

[(1, 20999103), (3, 6999701), (29, 724107), (59, 355917), (87, 241369), (177, 118639), (1711, 12273), (4091, 5133)]