20982795

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{17707}}^1$

素因数の和:17794

約数の個数: 16

約数和(自身を含む): 33999360

約数和(自身を除く): 13016565

約数列:

[1, 3, 5, 15, 79, 237, 395, 1185, 17707, 53121, 88535, 265605, 1398853, 4196559, 6994265, 20982795]

約数ペア:

[(1, 20982795), (3, 6994265), (5, 4196559), (15, 1398853), (79, 265605), (237, 88535), (395, 53121), (1185, 17707)]