20549243

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 5578117

約数列:

[1, 11, 13, 17, 79, 107, 143, 187, 221, 869, 1027, 1177, 1343, 1391, 1819, 2431, 8453, 11297, 14773, 15301, 17459, 20009, 23647, 92983, 109889, 143701, 192049, 260117, 1208779, 1580711, 1868113, 20549243]

約数ペア:

[(1, 20549243), (11, 1868113), (13, 1580711), (17, 1208779), (79, 260117), (107, 192049), (143, 143701), (187, 109889), (221, 92983), (869, 23647), (1027, 20009), (1177, 17459), (1343, 15301), (1391, 14773), (1819, 11297), (2431, 8453)]