20796758

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{1997}}^1$

素因数の和:2167

約数の個数: 16

約数和(自身を含む): 32223744

約数和(自身を除く): 11426986

約数列:

[1, 2, 41, 82, 127, 254, 1997, 3994, 5207, 10414, 81877, 163754, 253619, 507238, 10398379, 20796758]

約数ペア:

[(1, 20796758), (2, 10398379), (41, 507238), (82, 253619), (127, 163754), (254, 81877), (1997, 10414), (3994, 5207)]