20803276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1747}}^1$

素因数の和:1993

約数の個数: 24

約数和(自身を含む): 39399920

約数和(自身を除く): 18596644

約数列:

[1, 2, 4, 13, 26, 52, 229, 458, 916, 1747, 2977, 3494, 5954, 6988, 11908, 22711, 45422, 90844, 400063, 800126, 1600252, 5200819, 10401638, 20803276]

約数ペア:

[(1, 20803276), (2, 10401638), (4, 5200819), (13, 1600252), (26, 800126), (52, 400063), (229, 90844), (458, 45422), (916, 22711), (1747, 11908), (2977, 6988), (3494, 5954)]