20201919

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1093}}^1$

素因数の和:1258

約数の個数: 16

約数和(自身を含む): 27673824

約数和(自身を除く): 7471905

約数列:

[1, 3, 61, 101, 183, 303, 1093, 3279, 6161, 18483, 66673, 110393, 200019, 331179, 6733973, 20201919]

約数ペア:

[(1, 20201919), (3, 6733973), (61, 331179), (101, 200019), (183, 110393), (303, 66673), (1093, 18483), (3279, 6161)]