20976438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{499439}}^1$

素因数の和:499451

約数の個数: 16

約数和(自身を含む): 47946240

約数和(自身を除く): 26969802

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 499439, 998878, 1498317, 2996634, 3496073, 6992146, 10488219, 20976438]

約数ペア:

[(1, 20976438), (2, 10488219), (3, 6992146), (6, 3496073), (7, 2996634), (14, 1498317), (21, 998878), (42, 499439)]