20151956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{19913}}^1$

素因数の和:19951

約数の個数: 24

約数和(自身を含む): 40146624

約数和(自身を除く): 19994668

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 19913, 39826, 79652, 219043, 438086, 457999, 876172, 915998, 1831996, 5037989, 10075978, 20151956]

約数ペア:

[(1, 20151956), (2, 10075978), (4, 5037989), (11, 1831996), (22, 915998), (23, 876172), (44, 457999), (46, 438086), (92, 219043), (253, 79652), (506, 39826), (1012, 19913)]