20724

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1$

素因数の和:175

約数の個数: 24

約数和(自身を含む): 53088

約数和(自身を除く): 32364

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 157, 314, 471, 628, 942, 1727, 1884, 3454, 5181, 6908, 10362, 20724]

約数ペア:

[(1, 20724), (2, 10362), (3, 6908), (4, 5181), (6, 3454), (11, 1884), (12, 1727), (22, 942), (33, 628), (44, 471), (66, 314), (132, 157)]