20946417

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{4129}}^1$

素因数の和:4240

約数の個数: 16

約数和(自身を含む): 29736000

約数和(自身を除く): 8789583

約数列:

[1, 3, 19, 57, 89, 267, 1691, 4129, 5073, 12387, 78451, 235353, 367481, 1102443, 6982139, 20946417]

約数ペア:

[(1, 20946417), (3, 6982139), (19, 1102443), (57, 367481), (89, 235353), (267, 78451), (1691, 12387), (4129, 5073)]