20205100

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{2083}}^1$

素因数の和:2194

約数の個数: 36

約数和(自身を含む): 44318344

約数和(自身を除く): 24113244

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1940, 2083, 2425, 4166, 4850, 8332, 9700, 10415, 20830, 41660, 52075, 104150, 202051, 208300, 404102, 808204, 1010255, 2020510, 4041020, 5051275, 10102550, 20205100]

約数ペア:

[(1, 20205100), (2, 10102550), (4, 5051275), (5, 4041020), (10, 2020510), (20, 1010255), (25, 808204), (50, 404102), (97, 208300), (100, 202051), (194, 104150), (388, 52075), (485, 41660), (970, 20830), (1940, 10415), (2083, 9700), (2425, 8332), (4166, 4850)]