20137878

素因数分解:

$2^1\times 3^2\times {\mathrm{269}}^1\times {\mathrm{4159}}^1$

素因数の和:4436

約数の個数: 24

約数和(自身を含む): 43804800

約数和(自身を除く): 23666922

約数列:

[1, 2, 3, 6, 9, 18, 269, 538, 807, 1614, 2421, 4159, 4842, 8318, 12477, 24954, 37431, 74862, 1118771, 2237542, 3356313, 6712626, 10068939, 20137878]

約数ペア:

[(1, 20137878), (2, 10068939), (3, 6712626), (6, 3356313), (9, 2237542), (18, 1118771), (269, 74862), (538, 37431), (807, 24954), (1614, 12477), (2421, 8318), (4159, 4842)]