20778018910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{526159}}^1$

素因数の和:526536

約数の個数: 32

約数和(自身を含む): 40914201600

約数和(自身を除く): 20136182690

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 359, 718, 1795, 3590, 3949, 7898, 19745, 39490, 526159, 1052318, 2630795, 5261590, 5787749, 11575498, 28938745, 57877490, 188891081, 377782162, 944455405, 1888910810, 2077801891, 4155603782, 10389009455, 20778018910]

約数ペア:

[(1, 20778018910), (2, 10389009455), (5, 4155603782), (10, 2077801891), (11, 1888910810), (22, 944455405), (55, 377782162), (110, 188891081), (359, 57877490), (718, 28938745), (1795, 11575498), (3590, 5787749), (3949, 5261590), (7898, 2630795), (19745, 1052318), (39490, 526159)]