4182020

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{991}}^1$

素因数の和:1211

約数の個数: 24

約数和(自身を含む): 8832768

約数和(自身を除く): 4650748

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 991, 1055, 1982, 2110, 3964, 4220, 4955, 9910, 19820, 209101, 418202, 836404, 1045505, 2091010, 4182020]

約数ペア:

[(1, 4182020), (2, 2091010), (4, 1045505), (5, 836404), (10, 418202), (20, 209101), (211, 19820), (422, 9910), (844, 4955), (991, 4220), (1055, 3964), (1982, 2110)]