20930425

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 27141120

約数和(自身を除く): 6210695

約数列:

[1, 5, 25, 31, 113, 155, 239, 565, 775, 1195, 2825, 3503, 5975, 7409, 17515, 27007, 37045, 87575, 135035, 185225, 675175, 837217, 4186085, 20930425]

約数ペア:

[(1, 20930425), (5, 4186085), (25, 837217), (31, 675175), (113, 185225), (155, 135035), (239, 87575), (565, 37045), (775, 27007), (1195, 17515), (2825, 7409), (3503, 5975)]