20546774

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{2003}}^1$

素因数の和:2251

約数の個数: 16

約数和(自身を含む): 32320512

約数和(自身を除く): 11773738

約数列:

[1, 2, 23, 46, 223, 446, 2003, 4006, 5129, 10258, 46069, 92138, 446669, 893338, 10273387, 20546774]

約数ペア:

[(1, 20546774), (2, 10273387), (23, 893338), (46, 446669), (223, 92138), (446, 46069), (2003, 10258), (4006, 5129)]