20992624

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{8689}}^1$

素因数の和:8848

約数の個数: 20

約数和(自身を含む): 40947280

約数和(自身を除く): 19954656

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 8689, 17378, 34756, 69512, 139024, 1312039, 2624078, 5248156, 10496312, 20992624]

約数ペア:

[(1, 20992624), (2, 10496312), (4, 5248156), (8, 2624078), (16, 1312039), (151, 139024), (302, 69512), (604, 34756), (1208, 17378), (2416, 8689)]