20776709

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 22680000

約数和(自身を除く): 1903291

約数列:

[1, 19, 41, 149, 179, 779, 2831, 3401, 6109, 7339, 26671, 116071, 139441, 506749, 1093511, 20776709]

約数ペア:

[(1, 20776709), (19, 1093511), (41, 506749), (149, 139441), (179, 116071), (779, 26671), (2831, 7339), (3401, 6109)]