20769717

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1\times {\mathrm{787}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 29250560

約数和(自身を除く): 8480843

約数列:

[1, 3, 19, 57, 463, 787, 1389, 2361, 8797, 14953, 26391, 44859, 364381, 1093143, 6923239, 20769717]

約数ペア:

[(1, 20769717), (3, 6923239), (19, 1093143), (57, 364381), (463, 44859), (787, 26391), (1389, 14953), (2361, 8797)]