20716817

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{643}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 23647680

約数和(自身を除く): 2930863

約数列:

[1, 11, 29, 101, 319, 643, 1111, 2929, 7073, 18647, 32219, 64943, 205117, 714373, 1883347, 20716817]

約数ペア:

[(1, 20716817), (11, 1883347), (29, 714373), (101, 205117), (319, 64943), (643, 32219), (1111, 18647), (2929, 7073)]