20507764

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1811}}^1$

素因数の和:1983

約数の個数: 24

約数和(自身を含む): 38052000

約数和(自身を除く): 17544236

約数列:

[1, 2, 4, 19, 38, 76, 149, 298, 596, 1811, 2831, 3622, 5662, 7244, 11324, 34409, 68818, 137636, 269839, 539678, 1079356, 5126941, 10253882, 20507764]

約数ペア:

[(1, 20507764), (2, 10253882), (4, 5126941), (19, 1079356), (38, 539678), (76, 269839), (149, 137636), (298, 68818), (596, 34409), (1811, 11324), (2831, 7244), (3622, 5662)]