20754164

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:719

約数の個数: 24

約数和(自身を含む): 37255680

約数和(自身を除く): 16501516

約数列:

[1, 2, 4, 53, 106, 212, 223, 439, 446, 878, 892, 1756, 11819, 23267, 23638, 46534, 47276, 93068, 97897, 195794, 391588, 5188541, 10377082, 20754164]

約数ペア:

[(1, 20754164), (2, 10377082), (4, 5188541), (53, 391588), (106, 195794), (212, 97897), (223, 93068), (439, 47276), (446, 46534), (878, 23638), (892, 23267), (1756, 11819)]