20297798416

素因数分解:

$2^4\times 7^2\times {\mathrm{25890049}}^1$

素因数の和:25890071

約数の個数: 30

約数和(自身を含む): 45747718350

約数和(自身を除く): 25449919934

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 25890049, 51780098, 103560196, 181230343, 207120392, 362460686, 414240784, 724921372, 1268612401, 1449842744, 2537224802, 2899685488, 5074449604, 10148899208, 20297798416]

約数ペア:

[(1, 20297798416), (2, 10148899208), (4, 5074449604), (7, 2899685488), (8, 2537224802), (14, 1449842744), (16, 1268612401), (28, 724921372), (49, 414240784), (56, 362460686), (98, 207120392), (112, 181230343), (196, 103560196), (392, 51780098), (784, 25890049)]