20193261

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{2381}}^1$

素因数の和:2652

約数の個数: 16

約数和(自身を含む): 29498688

約数和(自身を除く): 9305427

約数列:

[1, 3, 11, 33, 257, 771, 2381, 2827, 7143, 8481, 26191, 78573, 611917, 1835751, 6731087, 20193261]

約数ペア:

[(1, 20193261), (3, 6731087), (11, 1835751), (33, 611917), (257, 78573), (771, 26191), (2381, 8481), (2827, 7143)]