20479128

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{11689}}^1$

素因数の和:11771

約数の個数: 32

約数和(自身を含む): 51903600

約数和(自身を除く): 31424472

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 146, 219, 292, 438, 584, 876, 1752, 11689, 23378, 35067, 46756, 70134, 93512, 140268, 280536, 853297, 1706594, 2559891, 3413188, 5119782, 6826376, 10239564, 20479128]

約数ペア:

[(1, 20479128), (2, 10239564), (3, 6826376), (4, 5119782), (6, 3413188), (8, 2559891), (12, 1706594), (24, 853297), (73, 280536), (146, 140268), (219, 93512), (292, 70134), (438, 46756), (584, 35067), (876, 23378), (1752, 11689)]