20753337

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:813

約数の個数: 32

約数和(自身を含む): 32394240

約数和(自身を除く): 11640903

約数列:

[1, 3, 11, 23, 33, 37, 69, 111, 253, 407, 739, 759, 851, 1221, 2217, 2553, 8129, 9361, 16997, 24387, 27343, 28083, 50991, 82029, 186967, 300773, 560901, 628889, 902319, 1886667, 6917779, 20753337]

約数ペア:

[(1, 20753337), (3, 6917779), (11, 1886667), (23, 902319), (33, 628889), (37, 560901), (69, 300773), (111, 186967), (253, 82029), (407, 50991), (739, 28083), (759, 27343), (851, 24387), (1221, 16997), (2217, 9361), (2553, 8129)]