20686443387

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{3193831}}^1$

素因数の和:3193978

約数の個数: 16

約数和(自身を含む): 29434355712

約数和(自身を除く): 8747912325

約数列:

[1, 3, 17, 51, 127, 381, 2159, 6477, 3193831, 9581493, 54295127, 162885381, 405616537, 1216849611, 6895481129, 20686443387]

約数ペア:

[(1, 20686443387), (3, 6895481129), (17, 1216849611), (51, 405616537), (127, 162885381), (381, 54295127), (2159, 9581493), (6477, 3193831)]