16720429

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:432

約数の個数: 16

約数和(自身を含む): 18800640

約数和(自身を除く): 2080211

約数列:

[1, 11, 71, 79, 271, 781, 869, 2981, 5609, 19241, 21409, 61699, 211651, 235499, 1520039, 16720429]

約数ペア:

[(1, 16720429), (11, 1520039), (71, 235499), (79, 211651), (271, 61699), (781, 21409), (869, 19241), (2981, 5609)]