20018172

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{4621}}^1$

素因数の和:4666

約数の個数: 36

約数和(自身を含む): 49307496

約数和(自身を除く): 29289324

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 361, 722, 1083, 1444, 2166, 4332, 4621, 9242, 13863, 18484, 27726, 55452, 87799, 175598, 263397, 351196, 526794, 1053588, 1668181, 3336362, 5004543, 6672724, 10009086, 20018172]

約数ペア:

[(1, 20018172), (2, 10009086), (3, 6672724), (4, 5004543), (6, 3336362), (12, 1668181), (19, 1053588), (38, 526794), (57, 351196), (76, 263397), (114, 175598), (228, 87799), (361, 55452), (722, 27726), (1083, 18484), (1444, 13863), (2166, 9242), (4332, 4621)]