20538416

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{8501}}^1$

素因数の和:8660

約数の個数: 20

約数和(自身を含む): 40061424

約数和(自身を除く): 19523008

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 8501, 17002, 34004, 68008, 136016, 1283651, 2567302, 5134604, 10269208, 20538416]

約数ペア:

[(1, 20538416), (2, 10269208), (4, 5134604), (8, 2567302), (16, 1283651), (151, 136016), (302, 68008), (604, 34004), (1208, 17002), (2416, 8501)]