20929803

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{647}}^1$

素因数の和:954

約数の個数: 16

約数和(自身を含む): 28740096

約数和(自身を除く): 7810293

約数列:

[1, 3, 41, 123, 263, 647, 789, 1941, 10783, 26527, 32349, 79581, 170161, 510483, 6976601, 20929803]

約数ペア:

[(1, 20929803), (3, 6976601), (41, 510483), (123, 170161), (263, 79581), (647, 32349), (789, 26527), (1941, 10783)]