20815849

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{599}}^1$

素因数の和:708

約数の個数: 16

約数和(自身を含む): 23040000

約数和(自身を除く): 2224151

約数列:

[1, 19, 31, 59, 589, 599, 1121, 1829, 11381, 18569, 34751, 35341, 352811, 671479, 1095571, 20815849]

約数ペア:

[(1, 20815849), (19, 1095571), (31, 671479), (59, 352811), (589, 35341), (599, 34751), (1121, 18569), (1829, 11381)]