20664534

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13613}}^1$

素因数の和:13652

約数の個数: 32

約数和(自身を含む): 47049984

約数和(自身を除く): 26385450

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 13613, 27226, 40839, 81678, 149743, 299486, 313099, 449229, 626198, 898458, 939297, 1878594, 3444089, 6888178, 10332267, 20664534]

約数ペア:

[(1, 20664534), (2, 10332267), (3, 6888178), (6, 3444089), (11, 1878594), (22, 939297), (23, 898458), (33, 626198), (46, 449229), (66, 313099), (69, 299486), (138, 149743), (253, 81678), (506, 40839), (759, 27226), (1518, 13613)]