20018073

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{7841}}^1$

素因数の和:7904

約数の個数: 16

約数和(自身を含む): 28607616

約数和(自身を除く): 8589543

約数列:

[1, 3, 23, 37, 69, 111, 851, 2553, 7841, 23523, 180343, 290117, 541029, 870351, 6672691, 20018073]

約数ペア:

[(1, 20018073), (3, 6672691), (23, 870351), (37, 541029), (69, 290117), (111, 180343), (851, 23523), (2553, 7841)]