20020972

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{2707}}^1$

素因数の和:2797

約数の個数: 18

約数和(自身を含む): 35883708

約数和(自身を除く): 15862736

約数列:

[1, 2, 4, 43, 86, 172, 1849, 2707, 3698, 5414, 7396, 10828, 116401, 232802, 465604, 5005243, 10010486, 20020972]

約数ペア:

[(1, 20020972), (2, 10010486), (4, 5005243), (43, 465604), (86, 232802), (172, 116401), (1849, 10828), (2707, 7396), (3698, 5414)]