20441072

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{337}}^1$

素因数の和:585

約数の個数: 40

約数和(自身を含む): 42247296

約数和(自身を除く): 21806224

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 223, 272, 337, 446, 674, 892, 1348, 1784, 2696, 3568, 3791, 5392, 5729, 7582, 11458, 15164, 22916, 30328, 45832, 60656, 75151, 91664, 150302, 300604, 601208, 1202416, 1277567, 2555134, 5110268, 10220536, 20441072]

約数ペア:

[(1, 20441072), (2, 10220536), (4, 5110268), (8, 2555134), (16, 1277567), (17, 1202416), (34, 601208), (68, 300604), (136, 150302), (223, 91664), (272, 75151), (337, 60656), (446, 45832), (674, 30328), (892, 22916), (1348, 15164), (1784, 11458), (2696, 7582), (3568, 5729), (3791, 5392)]