20456691

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1\times {\mathrm{457}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 28051584

約数和(自身を除く): 7594893

約数列:

[1, 3, 43, 129, 347, 457, 1041, 1371, 14921, 19651, 44763, 58953, 158579, 475737, 6818897, 20456691]

約数ペア:

[(1, 20456691), (3, 6818897), (43, 475737), (129, 158579), (347, 58953), (457, 44763), (1041, 19651), (1371, 14921)]