20455204

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66413}}^1$

素因数の和:66435

約数の個数: 24

約数和(自身を含む): 44630208

約数和(自身を除く): 24175004

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 66413, 132826, 265652, 464891, 730543, 929782, 1461086, 1859564, 2922172, 5113801, 10227602, 20455204]

約数ペア:

[(1, 20455204), (2, 10227602), (4, 5113801), (7, 2922172), (11, 1859564), (14, 1461086), (22, 929782), (28, 730543), (44, 464891), (77, 265652), (154, 132826), (308, 66413)]