20322394

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{1061}}^1$

素因数の和:1281

約数の個数: 16

約数和(自身を含む): 31210056

約数和(自身を除く): 10887662

約数列:

[1, 2, 61, 122, 157, 314, 1061, 2122, 9577, 19154, 64721, 129442, 166577, 333154, 10161197, 20322394]

約数ペア:

[(1, 20322394), (2, 10161197), (61, 333154), (122, 166577), (157, 129442), (314, 64721), (1061, 19154), (2122, 9577)]