20129961

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{1201}}^1$

素因数の和:1392

約数の個数: 16

約数和(自身を含む): 27771008

約数和(自身を除く): 7641047

約数列:

[1, 3, 37, 111, 151, 453, 1201, 3603, 5587, 16761, 44437, 133311, 181351, 544053, 6709987, 20129961]

約数ペア:

[(1, 20129961), (3, 6709987), (37, 544053), (111, 181351), (151, 133311), (453, 44437), (1201, 16761), (3603, 5587)]