20955814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{30727}}^1$

素因数の和:30771

約数の個数: 16

約数和(自身を含む): 35398656

約数和(自身を除く): 14442842

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 30727, 61454, 337997, 675994, 952537, 1905074, 10477907, 20955814]

約数ペア:

[(1, 20955814), (2, 10477907), (11, 1905074), (22, 952537), (31, 675994), (62, 337997), (341, 61454), (682, 30727)]