20620453

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{683}}^1$

素因数の和:936

約数の個数: 16

約数和(自身を含む): 24952320

約数和(自身を除く): 4331867

約数列:

[1, 7, 19, 133, 227, 683, 1589, 4313, 4781, 12977, 30191, 90839, 155041, 1085287, 2945779, 20620453]

約数ペア:

[(1, 20620453), (7, 2945779), (19, 1085287), (133, 155041), (227, 90839), (683, 30191), (1589, 12977), (4313, 4781)]