20817676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{11003}}^1$

素因数の和:11061

約数の個数: 24

約数和(自身を含む): 40670784

約数和(自身を除く): 19853108

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 11003, 22006, 44012, 121033, 242066, 473129, 484132, 946258, 1892516, 5204419, 10408838, 20817676]

約数ペア:

[(1, 20817676), (2, 10408838), (4, 5204419), (11, 1892516), (22, 946258), (43, 484132), (44, 473129), (86, 242066), (172, 121033), (473, 44012), (946, 22006), (1892, 11003)]