20717638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{1193}}^1$

素因数の和:1671

約数の個数: 16

約数和(自身を含む): 32811120

約数和(自身を除く): 12093482

約数列:

[1, 2, 19, 38, 457, 914, 1193, 2386, 8683, 17366, 22667, 45334, 545201, 1090402, 10358819, 20717638]

約数ペア:

[(1, 20717638), (2, 10358819), (19, 1090402), (38, 545201), (457, 45334), (914, 22667), (1193, 17366), (2386, 8683)]