20731456

素因数分解:

$2^6\times {\mathrm{227}}^1\times {\mathrm{1427}}^1$

素因数の和:1666

約数の個数: 28

約数和(自身を含む): 41349168

約数和(自身を除く): 20617712

約数列:

[1, 2, 4, 8, 16, 32, 64, 227, 454, 908, 1427, 1816, 2854, 3632, 5708, 7264, 11416, 14528, 22832, 45664, 91328, 323929, 647858, 1295716, 2591432, 5182864, 10365728, 20731456]

約数ペア:

[(1, 20731456), (2, 10365728), (4, 5182864), (8, 2591432), (16, 1295716), (32, 647858), (64, 323929), (227, 91328), (454, 45664), (908, 22832), (1427, 14528), (1816, 11416), (2854, 7264), (3632, 5708)]