20162667

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7219}}^1$

素因数の和:7255

約数の個数: 24

約数和(自身を含む): 32923200

約数和(自身を除く): 12760533

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 7219, 21657, 50533, 137161, 151599, 353731, 411483, 960127, 1061193, 2880381, 6720889, 20162667]

約数ペア:

[(1, 20162667), (3, 6720889), (7, 2880381), (19, 1061193), (21, 960127), (49, 411483), (57, 353731), (133, 151599), (147, 137161), (399, 50533), (931, 21657), (2793, 7219)]