20161521831

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2089}}^1\times {\mathrm{4957}}^1$

素因数の和:7119

約数の個数: 32

約数和(自身を含む): 29843193600

約数和(自身を除く): 9681671769

約数列:

[1, 3, 11, 33, 59, 177, 649, 1947, 2089, 4957, 6267, 14871, 22979, 54527, 68937, 123251, 163581, 292463, 369753, 877389, 1355761, 3217093, 4067283, 9651279, 10355173, 31065519, 113906903, 341720709, 610955207, 1832865621, 6720507277, 20161521831]

約数ペア:

[(1, 20161521831), (3, 6720507277), (11, 1832865621), (33, 610955207), (59, 341720709), (177, 113906903), (649, 31065519), (1947, 10355173), (2089, 9651279), (4957, 4067283), (6267, 3217093), (14871, 1355761), (22979, 877389), (54527, 369753), (68937, 292463), (123251, 163581)]