20139878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{937}}^1\times {\mathrm{977}}^1$

素因数の和:1927

約数の個数: 16

約数和(自身を含む): 33025104

約数和(自身を除く): 12885226

約数列:

[1, 2, 11, 22, 937, 977, 1874, 1954, 10307, 10747, 20614, 21494, 915449, 1830898, 10069939, 20139878]

約数ペア:

[(1, 20139878), (2, 10069939), (11, 1830898), (22, 915449), (937, 21494), (977, 20614), (1874, 10747), (1954, 10307)]