4447842020

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1053991}}^1$

素因数の和:1054211

約数の個数: 24

約数和(自身を含む): 9384744768

約数和(自身を除く): 4936902748

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 1053991, 2107982, 4215964, 5269955, 10539910, 21079820, 222392101, 444784202, 889568404, 1111960505, 2223921010, 4447842020]

約数ペア:

[(1, 4447842020), (2, 2223921010), (4, 1111960505), (5, 889568404), (10, 444784202), (20, 222392101), (211, 21079820), (422, 10539910), (844, 5269955), (1055, 4215964), (2110, 2107982), (4220, 1053991)]