20260289

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{439}}^1$

素因数の和:812

約数の個数: 16

約数和(自身を含む): 24499200

約数和(自身を除く): 4238911

約数列:

[1, 7, 19, 133, 347, 439, 2429, 3073, 6593, 8341, 46151, 58387, 152333, 1066331, 2894327, 20260289]

約数ペア:

[(1, 20260289), (7, 2894327), (19, 1066331), (133, 152333), (347, 58387), (439, 46151), (2429, 8341), (3073, 6593)]