20161451312

素因数分解:

$2^4\times {\mathrm{63773}}^1\times {\mathrm{19759}}^1$

素因数の和:83540

約数の個数: 20

約数和(自身を含む): 39065401440

約数和(自身を除く): 18903950128

約数列:

[1, 2, 4, 8, 16, 19759, 39518, 63773, 79036, 127546, 158072, 255092, 316144, 510184, 1020368, 1260090707, 2520181414, 5040362828, 10080725656, 20161451312]

約数ペア:

[(1, 20161451312), (2, 10080725656), (4, 5040362828), (8, 2520181414), (16, 1260090707), (19759, 1020368), (39518, 510184), (63773, 316144), (79036, 255092), (127546, 158072)]