20149698512

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{438953}}^1$

素因数の和:439131

約数の個数: 40

約数和(自身を含む): 41367024960

約数和(自身を除く): 21217326448

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 151, 152, 302, 304, 604, 1208, 2416, 2869, 5738, 11476, 22952, 45904, 438953, 877906, 1755812, 3511624, 7023248, 8340107, 16680214, 33360428, 66281903, 66720856, 132563806, 133441712, 265127612, 530255224, 1060510448, 1259356157, 2518712314, 5037424628, 10074849256, 20149698512]

約数ペア:

[(1, 20149698512), (2, 10074849256), (4, 5037424628), (8, 2518712314), (16, 1259356157), (19, 1060510448), (38, 530255224), (76, 265127612), (151, 133441712), (152, 132563806), (302, 66720856), (304, 66281903), (604, 33360428), (1208, 16680214), (2416, 8340107), (2869, 7023248), (5738, 3511624), (11476, 1755812), (22952, 877906), (45904, 438953)]