20784049

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 25077416

約数和(自身を除く): 4293367

約数列:

[1, 11, 13, 73, 121, 143, 181, 803, 949, 1573, 1991, 2353, 8833, 10439, 13213, 21901, 25883, 114829, 145343, 171769, 284713, 1598773, 1889459, 20784049]

約数ペア:

[(1, 20784049), (11, 1889459), (13, 1598773), (73, 284713), (121, 171769), (143, 145343), (181, 114829), (803, 25883), (949, 21901), (1573, 13213), (1991, 10439), (2353, 8833)]