20090103

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{12953}}^1$

素因数の和:13014

約数の個数: 16

約数和(自身を含む): 29846016

約数和(自身を除く): 9755913

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 12953, 38859, 142483, 427449, 608791, 1826373, 6696701, 20090103]

約数ペア:

[(1, 20090103), (3, 6696701), (11, 1826373), (33, 608791), (47, 427449), (141, 142483), (517, 38859), (1551, 12953)]