20643458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{30269}}^1$

素因数の和:30313

約数の個数: 16

約数和(自身を含む): 34871040

約数和(自身を除く): 14227582

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 30269, 60538, 332959, 665918, 938339, 1876678, 10321729, 20643458]

約数ペア:

[(1, 20643458), (2, 10321729), (11, 1876678), (22, 938339), (31, 665918), (62, 332959), (341, 60538), (682, 30269)]