20812154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{12959}}^1$

素因数の和:13045

約数の個数: 16

約数和(自身を含む): 34525440

約数和(自身を除く): 13713286

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 12959, 25918, 142549, 285098, 946007, 1892014, 10406077, 20812154]

約数ペア:

[(1, 20812154), (2, 10406077), (11, 1892014), (22, 946007), (73, 285098), (146, 142549), (803, 25918), (1606, 12959)]