20407841245

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{298513}}^1$

素因数の和:298653

約数の個数: 24

約数和(自身を含む): 27156415608

約数和(自身を除く): 6748574363

約数列:

[1, 5, 11, 55, 113, 121, 565, 605, 1243, 6215, 13673, 68365, 298513, 1492565, 3283643, 16418215, 33731969, 36120073, 168659845, 180600365, 371051659, 1855258295, 4081568249, 20407841245]

約数ペア:

[(1, 20407841245), (5, 4081568249), (11, 1855258295), (55, 371051659), (113, 180600365), (121, 168659845), (565, 36120073), (605, 33731969), (1243, 16418215), (6215, 3283643), (13673, 1492565), (68365, 298513)]