20102108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2003}}^1$

素因数の和:2213

約数の個数: 24

約数和(自身を含む): 38100048

約数和(自身を除く): 17997940

約数列:

[1, 2, 4, 13, 26, 52, 193, 386, 772, 2003, 2509, 4006, 5018, 8012, 10036, 26039, 52078, 104156, 386579, 773158, 1546316, 5025527, 10051054, 20102108]

約数ペア:

[(1, 20102108), (2, 10051054), (4, 5025527), (13, 1546316), (26, 773158), (52, 386579), (193, 104156), (386, 52078), (772, 26039), (2003, 10036), (2509, 8012), (4006, 5018)]