67482020

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{15991}}^1$

素因数の和:16211

約数の個数: 24

約数和(自身を含む): 142392768

約数和(自身を除く): 74910748

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 15991, 31982, 63964, 79955, 159910, 319820, 3374101, 6748202, 13496404, 16870505, 33741010, 67482020]

約数ペア:

[(1, 67482020), (2, 33741010), (4, 16870505), (5, 13496404), (10, 6748202), (20, 3374101), (211, 319820), (422, 159910), (844, 79955), (1055, 63964), (2110, 31982), (4220, 15991)]