20873913

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1459}}^1$

素因数の和:1732

約数の個数: 16

約数和(自身を含む): 29433600

約数和(自身を除く): 8559687

約数列:

[1, 3, 19, 57, 251, 753, 1459, 4377, 4769, 14307, 27721, 83163, 366209, 1098627, 6957971, 20873913]

約数ペア:

[(1, 20873913), (3, 6957971), (19, 1098627), (57, 366209), (251, 83163), (753, 27721), (1459, 14307), (4377, 4769)]