20990656

素因数分解:

$2^6\times {\mathrm{327979}}^1$

素因数の和:327991

約数の個数: 14

約数和(自身を含む): 41653460

約数和(自身を除く): 20662804

約数列:

[1, 2, 4, 8, 16, 32, 64, 327979, 655958, 1311916, 2623832, 5247664, 10495328, 20990656]

約数ペア:

[(1, 20990656), (2, 10495328), (4, 5247664), (8, 2623832), (16, 1311916), (32, 655958), (64, 327979)]