20345906

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{85487}}^1$

素因数の和:85513

約数の個数: 16

約数和(自身を含む): 36930816

約数和(自身を除く): 16584910

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 85487, 170974, 598409, 1196818, 1453279, 2906558, 10172953, 20345906]

約数ペア:

[(1, 20345906), (2, 10172953), (7, 2906558), (14, 1453279), (17, 1196818), (34, 598409), (119, 170974), (238, 85487)]