20411838

素因数分解:

$2^1\times 3^4\times {\mathrm{163}}^1\times {\mathrm{773}}^1$

素因数の和:950

約数の個数: 40

約数和(自身を含む): 46077768

約数和(自身を除く): 25665930

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 163, 326, 489, 773, 978, 1467, 1546, 2319, 2934, 4401, 4638, 6957, 8802, 13203, 13914, 20871, 26406, 41742, 62613, 125226, 125999, 251998, 377997, 755994, 1133991, 2267982, 3401973, 6803946, 10205919, 20411838]

約数ペア:

[(1, 20411838), (2, 10205919), (3, 6803946), (6, 3401973), (9, 2267982), (18, 1133991), (27, 755994), (54, 377997), (81, 251998), (162, 125999), (163, 125226), (326, 62613), (489, 41742), (773, 26406), (978, 20871), (1467, 13914), (1546, 13203), (2319, 8802), (2934, 6957), (4401, 4638)]