20793844

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 37044000

約数和(自身を除く): 16250156

約数列:

[1, 2, 4, 139, 149, 251, 278, 298, 502, 556, 596, 1004, 20711, 34889, 37399, 41422, 69778, 74798, 82844, 139556, 149596, 5198461, 10396922, 20793844]

約数ペア:

[(1, 20793844), (2, 10396922), (4, 5198461), (139, 149596), (149, 139556), (251, 82844), (278, 74798), (298, 69778), (502, 41422), (556, 37399), (596, 34889), (1004, 20711)]