20694009

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18593}}^1$

素因数の和:18656

約数の個数: 16

約数和(自身を含む): 32130432

約数和(自身を除く): 11436423

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 18593, 55779, 130151, 390453, 985429, 2956287, 6898003, 20694009]

約数ペア:

[(1, 20694009), (3, 6898003), (7, 2956287), (21, 985429), (53, 390453), (159, 130151), (371, 55779), (1113, 18593)]