20663742

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{313087}}^1$

素因数の和:313103

約数の個数: 16

約数和(自身を含む): 45084672

約数和(自身を除く): 24420930

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 313087, 626174, 939261, 1878522, 3443957, 6887914, 10331871, 20663742]

約数ペア:

[(1, 20663742), (2, 10331871), (3, 6887914), (6, 3443957), (11, 1878522), (22, 939261), (33, 626174), (66, 313087)]