20938776

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{5557}}^1$

素因数の和:5723

約数の個数: 32

約数和(自身を含む): 52689840

約数和(自身を除く): 31751064

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 314, 471, 628, 942, 1256, 1884, 3768, 5557, 11114, 16671, 22228, 33342, 44456, 66684, 133368, 872449, 1744898, 2617347, 3489796, 5234694, 6979592, 10469388, 20938776]

約数ペア:

[(1, 20938776), (2, 10469388), (3, 6979592), (4, 5234694), (6, 3489796), (8, 2617347), (12, 1744898), (24, 872449), (157, 133368), (314, 66684), (471, 44456), (628, 33342), (942, 22228), (1256, 16671), (1884, 11114), (3768, 5557)]