20401161

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{26879}}^1$

素因数の和:26916

約数の個数: 16

約数和(自身を含む): 30965760

約数和(自身を除く): 10564599

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 26879, 80637, 295669, 618217, 887007, 1854651, 6800387, 20401161]

約数ペア:

[(1, 20401161), (3, 6800387), (11, 1854651), (23, 887007), (33, 618217), (69, 295669), (253, 80637), (759, 26879)]