20340518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{1709}}^1$

素因数の和:2263

約数の個数: 16

約数和(自身を含む): 33365520

約数和(自身を除く): 13025002

約数列:

[1, 2, 11, 22, 541, 1082, 1709, 3418, 5951, 11902, 18799, 37598, 924569, 1849138, 10170259, 20340518]

約数ペア:

[(1, 20340518), (2, 10170259), (11, 1849138), (22, 924569), (541, 37598), (1082, 18799), (1709, 11902), (3418, 5951)]