20115514

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{1741}}^1$

素因数の和:1905

約数の個数: 16

約数和(自身を含む): 31042440

約数和(自身を除く): 10926926

約数列:

[1, 2, 53, 106, 109, 218, 1741, 3482, 5777, 11554, 92273, 184546, 189769, 379538, 10057757, 20115514]

約数ペア:

[(1, 20115514), (2, 10057757), (53, 379538), (106, 189769), (109, 184546), (218, 92273), (1741, 11554), (3482, 5777)]