20996848456

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{49520869}}^1$

素因数の和:49520928

約数の個数: 16

約数和(自身を含む): 40111904700

約数和(自身を除く): 19115056244

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 49520869, 99041738, 198083476, 396166952, 2624606057, 5249212114, 10498424228, 20996848456]

約数ペア:

[(1, 20996848456), (2, 10498424228), (4, 5249212114), (8, 2624606057), (53, 396166952), (106, 198083476), (212, 99041738), (424, 49520869)]