20837420639

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{362977}}^1$

素因数の和:363182

約数の個数: 16

約数和(自身を含む): 24392121600

約数和(自身を除く): 3554700961

約数列:

[1, 7, 59, 139, 413, 973, 8201, 57407, 362977, 2540839, 21415643, 50453803, 149909501, 353176621, 2976774377, 20837420639]

約数ペア:

[(1, 20837420639), (7, 2976774377), (59, 353176621), (139, 149909501), (413, 50453803), (973, 21415643), (8201, 2540839), (57407, 362977)]