20216391

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{2017}}^1$

素因数の和:2290

約数の個数: 16

約数和(自身を含む): 29156064

約数和(自身を除く): 8939673

約数列:

[1, 3, 13, 39, 257, 771, 2017, 3341, 6051, 10023, 26221, 78663, 518369, 1555107, 6738797, 20216391]

約数ペア:

[(1, 20216391), (3, 6738797), (13, 1555107), (39, 518369), (257, 78663), (771, 26221), (2017, 10023), (3341, 6051)]