20525544

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21929}}^1$

素因数の和:21954

約数の個数: 48

約数和(自身を含む): 59868900

約数和(自身を除く): 39343356

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21929, 43858, 65787, 87716, 131574, 175432, 197361, 263148, 285077, 394722, 526296, 570154, 789444, 855231, 1140308, 1578888, 1710462, 2280616, 2565693, 3420924, 5131386, 6841848, 10262772, 20525544]

約数ペア:

[(1, 20525544), (2, 10262772), (3, 6841848), (4, 5131386), (6, 3420924), (8, 2565693), (9, 2280616), (12, 1710462), (13, 1578888), (18, 1140308), (24, 855231), (26, 789444), (36, 570154), (39, 526296), (52, 394722), (72, 285077), (78, 263148), (104, 197361), (117, 175432), (156, 131574), (234, 87716), (312, 65787), (468, 43858), (936, 21929)]