20802782

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10391}}^1$

素因数の和:10424

約数の個数: 32

約数和(自身を含む): 41900544

約数和(自身を除く): 21097762

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 10391, 20782, 72737, 114301, 135083, 145474, 228602, 270166, 800107, 945581, 1485913, 1600214, 1891162, 2971826, 10401391, 20802782]

約数ペア:

[(1, 20802782), (2, 10401391), (7, 2971826), (11, 1891162), (13, 1600214), (14, 1485913), (22, 945581), (26, 800107), (77, 270166), (91, 228602), (143, 145474), (154, 135083), (182, 114301), (286, 72737), (1001, 20782), (2002, 10391)]