20133872

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{823}}^1$

素因数の和:981

約数の個数: 40

約数和(自身を含む): 42913920

約数和(自身を除く): 22780048

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 139, 176, 278, 556, 823, 1112, 1529, 1646, 2224, 3058, 3292, 6116, 6584, 9053, 12232, 13168, 18106, 24464, 36212, 72424, 114397, 144848, 228794, 457588, 915176, 1258367, 1830352, 2516734, 5033468, 10066936, 20133872]

約数ペア:

[(1, 20133872), (2, 10066936), (4, 5033468), (8, 2516734), (11, 1830352), (16, 1258367), (22, 915176), (44, 457588), (88, 228794), (139, 144848), (176, 114397), (278, 72424), (556, 36212), (823, 24464), (1112, 18106), (1529, 13168), (1646, 12232), (2224, 9053), (3058, 6584), (3292, 6116)]