20521488

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32887}}^1$

素因数の和:32911

約数の個数: 40

約数和(自身を含む): 57093568

約数和(自身を除く): 36572080

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32887, 65774, 98661, 131548, 197322, 263096, 394644, 427531, 526192, 789288, 855062, 1282593, 1578576, 1710124, 2565186, 3420248, 5130372, 6840496, 10260744, 20521488]

約数ペア:

[(1, 20521488), (2, 10260744), (3, 6840496), (4, 5130372), (6, 3420248), (8, 2565186), (12, 1710124), (13, 1578576), (16, 1282593), (24, 855062), (26, 789288), (39, 526192), (48, 427531), (52, 394644), (78, 263096), (104, 197322), (156, 131548), (208, 98661), (312, 65774), (624, 32887)]